diff --git a/src/App.jsx b/src/App.jsx
index 15716e1..8b27536 100644
--- a/src/App.jsx
+++ b/src/App.jsx
@@ -11,8 +11,8 @@ import TeamMember from "./views/TeamMember";
 import ChapterMember from "./views/ChapterMember";
 import AllMembers from "./views/AllMembers";
 import New from "./views/New";
-// import EventRegister from "./views/EventRegister";
-import NewEventRegister from "./views/NewEventRegister";
+import EventRegister from "./views/EventRegister";
+// import NewEventRegister from "./views/NewEventRegister";
 import DynamicEventPage from "./views/DynamicEventPage";
 import Round5Register from "./views/HardcodedEventPages/RoadToMernRegister";
 import Codeathon from "./views/Codeathon";
@@ -74,6 +74,7 @@ export default function App() {
                             {/* <Route path="/events" element={<UnderConstruction />}></Route> */}
                             <Route path="/events" element={<EventTemplate />}></Route>
                             <Route path="/contact" element={<Contact />}></Route>
+                            <Route path="/algo2025" element={<EventRegister />}></Route>
 
 
                             {
@@ -104,10 +105,10 @@ export default function App() {
                         <Route path="/geekfest24/results" element={ <GeekfestResults /> }></Route>
 
                         <Route path="/certificates/:eventName/:certificateID" element={<CertificateViewer />}></Route>
+
                         
                         {/* PAST EVENTS */}
                         {/* <Route path="/events/codeathon" element={<NewEventRegister />}></Route> */}
-                        {/* <Route path="/events/algo2024" element={<EventRegister />}></Route> */}
                         {/* <Route path="/roadmap-to-mern-stack" element={<Round5Register />}></Route> */}
                         {/* <Route path="/co/decraft" element={<CodeClash />}></Route> */}
                         {/* <Route path="/enrollment" element={ <StudentEnrollment /> }></Route> */}
diff --git a/src/styles/EventRegister.scss b/src/styles/EventRegister.scss
index 7bc153a..d3fd33f 100644
--- a/src/styles/EventRegister.scss
+++ b/src/styles/EventRegister.scss
@@ -1,4 +1,5 @@
 @import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700;800&display=swap");
+@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400..800&display=swap');
 // @import "~react-component-countdown-timer/lib/styles.css";
 
 @property --rotate {
@@ -41,6 +42,10 @@ strong {
     flex-direction: column;
     gap: 4rem;
 
+    .Toastify, .Toastify__toast-container {
+        z-index: 99999 !important;
+    }
+
     .coverImage {
         min-width: 100vw;
         height: 150px;
@@ -261,8 +266,9 @@ strong {
                     max-width: max-content;
                     min-width: 100px;
                     min-height: 30px;
+                    padding: .75rem 1.5rem;
                     border: 2px solid rgb(5, 135, 5);
-                    border-radius: 8px;
+                    border-radius: 2rem;
                     transition: color 0.25s ease, background-color 0.25s ease;
                     animation: none;
                     display: flex;
@@ -333,7 +339,7 @@ strong {
         }
     }
 
-    .databaseContent {
+    // .databaseContent {
         max-height: max-content;
 
         .headings {
@@ -503,7 +509,7 @@ strong {
             }
         }
 
-    }
+    // }
 
     .reminder {
         display: flex;
@@ -604,7 +610,6 @@ strong {
     left: 0;
     width: 100vw;
     height: 100vh;
-    // transform: translateY(-60px);
     background-color: rgba(0, 0, 0, 0.25);
     backdrop-filter: blur(7px);
     display: flex;
@@ -612,16 +617,31 @@ strong {
     // align-items: center;
     padding-top: 5rem;
 
+    
+    :-webkit-scrollbar {
+        width: 8px;
+    }
+
+    ::-webkit-scrollbar-track {
+        background: transparent;
+    }
+
     ::-webkit-scrollbar-thumb {
-        background-color: rgba(0,0,0,.4) !important;
+        background: rgba(120, 120, 120, .25);
+        border-radius: 10px;
+    }
+
+    ::-webkit-scrollbar-thumb:hover {
+        background: rgba(128, 128, 128, .8);
     }
 
     .box {
-        width: min(90%, 500px);
-        height: min(80%, 400px);
+        width: min(90%, 600px);
+        height: min(80%, 500px);
         background-color: rgb(240, 240, 240);
-        border: 3px solid rgb(255, 255, 255);
-        border-radius: 8px;
+        border: 1px solid rgb(35, 82, 11);
+        border-radius: 1rem;
+        padding: 1rem .4rem;
         box-shadow: 0px 0px 30px 8px rgba(64, 64, 64, 0.5);
         overflow: auto;
 
@@ -658,11 +678,18 @@ strong {
                 select {
                     color: black;
                     background-color: transparent;
-                    border: 2px solid rgb(130, 130, 130);
+                    border: 1px solid rgb(77, 77, 77);
                     padding: 0.75rem 1.25rem;
                     border-radius: 8px;
                 }
 
+                input:disabled {
+                    color: rgba(120, 120, 120);
+                    background-color: rgb(230, 230, 230); 
+                    border: 1px solid rgba(10, 10, 10, .3);
+                    cursor: not-allowed;
+                }
+
                 button {
                     max-width: 80%;
                     margin: 1rem auto 2rem auto;
@@ -677,6 +704,7 @@ strong {
                 }
 
                 .emailIndication {
+                    background: linear-gradient(45deg, rgba(100, 100, 100, .05), rgba(100, 100, 100, .15));
                     border: 1px solid rgb(77, 77, 77);
                     border-radius: 8px;
                     padding: 0.8rem;
@@ -707,6 +735,29 @@ strong {
                         }
                     }
                 }
+
+                .kluMailReminder {
+                    display: inline-flex;
+                    flex-wrap: nowrap !important;
+                    align-items: center;
+                    gap: 8px;
+                    line-height: 1.5;
+                    flex-wrap: wrap;
+                    font-size: .8rem;
+                    color: rgba(170, 22, 22, .9);
+                    margin-bottom: .75rem;
+
+                    svg {
+                        flex-shrink: 0;
+                        display: inline-block;
+                        vertical-align: middle;
+                    }
+
+                    .text {
+                        display: inline;
+                        word-break: break-word;
+                     }
+                }
             }
         }
     }
@@ -719,6 +770,66 @@ strong {
     transition: all 0.15s ease;
 }
 
+
+.changeMailModal {
+
+    .box {
+        border: 3px solid rgb(224, 96, 96);
+        box-shadow: 0 0 20px 4px rgba(255, 0, 0, .3);
+        width: min(90%, 600px);
+        height: min(45%, 300px) !important;
+        margin-top: 3rem;
+    }
+
+    span.info {
+        width: 90%;
+        margin-bottom: 1rem;
+        font-size: .9rem;
+
+        strong {
+            font-weight: 700;
+        }
+    }
+
+    .emailIndication {
+        max-width: 85%;
+        border: 1px solid rgb(77, 77, 77);
+        border-radius: 8px;
+        padding: 1rem 0.8rem;
+        display: flex;
+        gap: 1rem;
+        justify-content: flex-start;
+        align-items: center;
+        cursor: pointer;
+        transition: background-color 0.4s ease;
+        font-size: 12px;
+
+        &:hover {
+            background-color: rgba(0, 0, 0, 0.1);
+        }
+
+        img {
+            height: 35px;
+            width: 35px;
+            border-radius: 50%;
+        }
+
+        div {
+            display: flex;
+            flex-direction: column;
+
+            span {
+                font-weight: 600;
+            }
+
+            span.email {
+                font-weight: normal;
+            }
+        }
+    }
+
+}
+
 @media screen and (max-width: 700px) {
     
     .subHeadings {
diff --git a/src/styles/Main.scss b/src/styles/Main.scss
index 3b96dbc..2496b20 100644
--- a/src/styles/Main.scss
+++ b/src/styles/Main.scss
@@ -6,7 +6,7 @@
 div.navBar {
     font-family: "Syne";
     position: absolute;
-    z-index: 999;
+    z-index: 99;
     left: 50%;
     transform: translateX(-50%);
     top: 0;
diff --git a/src/views/Obsolete/EventRegister.jsx b/src/views/EventRegister.jsx
similarity index 74%
rename from src/views/Obsolete/EventRegister.jsx
rename to src/views/EventRegister.jsx
index 2e66695..8d87bd6 100644
--- a/src/views/Obsolete/EventRegister.jsx
+++ b/src/views/EventRegister.jsx
@@ -12,15 +12,11 @@ import coding from "../assets/coding.png";
 import { FaCalendarAlt } from "react-icons/fa";
 import { HiUserGroup } from "react-icons/hi";
 import { BsFillPersonFill } from "react-icons/bs";
-import {
-    AiOutlineLoading,
-    AiOutlineCheck,
-    AiFillLinkedin,
-    AiFillGithub,
-    AiFillInstagram,
-    AiOutlineWhatsApp
-} from "react-icons/ai";
+import { AiOutlineLoading, AiOutlineCheck } from "react-icons/ai";
 import { BiSolidPhoneCall, BiLinkExternal } from "react-icons/bi";
+import { CiCircleInfo, CiWarning } from "react-icons/ci";
+import { PiSparkleThin } from "react-icons/pi";
+
 import { TfiMoney } from "react-icons/tfi";
 
 // -----------------------------------
@@ -45,6 +41,8 @@ export default function EventRegister() {
     const { USER_PRESENT, currentUser, signinwithpopup } = useAuth();
     const { readableError, setNavTitle } = useMisc();
 
+    const [usingKluMail, setUsingKluMail] = useState(false);
+
     const [eventID, setEventID] = useState();
     const [eventRegisterStatus, setEventRegisterStatus] =
         useState("not_registered");
@@ -60,6 +58,7 @@ export default function EventRegister() {
     const [userDept, setUserDept] = useState("");
     const [fadeStatus, setFadeStatus] = useState("");
 
+    const registrationForm = useRef();
     const fullName = useRef();
     const regNo = useRef();
     const email = useRef();
@@ -109,15 +108,67 @@ export default function EventRegister() {
             });
     };
 
+    const getFieldValues = (field, email) => {
+        console.log(`%c Prefilling details: ${email}`, "color: green");
+        console.log(`Finding out user's ${field}`);
+        
+        
+        if (field == "year") {
+            let year = email.split("@")[0].slice(2,4)
+            let years = { "21": "IV", "22": "III", "23": "II" }
+            console.log(`User is from ${years[year]} year.`);
+            return years[year];
+        }
+
+        if (field == "department") {
+            let departments = {
+                "8": "IT",
+                "4": "CSE",
+                "1": "BioTechnology",
+                "6": "EEE",
+                "5": "ECE", 
+            }
+            let dept = email.split("@")[0][6]
+            if (Object.keys(departments).includes(dept)) {
+                console.log(`User is from ${departments[dept]} department.`);
+                return departments[dept];
+            }
+            else {
+                return "OTHER"  // unknown reg no.
+            }
+        }
+    }
+
+    const prefillRegistrationFields = () => {
+        regNo.current.value = currentUser.email.split("@")[0]
+        year.current.value = getFieldValues("year", currentUser.email);
+        let department =  getFieldValues("department", currentUser.email);
+
+        if (department == "CSE" || department == "IT") {    // cse or it, set in dropdown alone, no need to show input field.
+            setUserDept(department);
+        }
+        else if (department == "OTHER") {
+            console.log("User is from OTHER department.");  // unknown department, set to other... and show empty input field.
+            setUserDept("OTHER");
+        }
+        else {                                              // some known deparment other than cse, it. show input field and fill it.
+            setUserDept("OTHER")
+            console.log(otherDept.current)
+            otherDept.current.value = department;
+        }
+        
+    }
+
     useEffect(() => {
         window.scrollTo(0, 0);
-        setEventID(window.location.pathname.split("/")[2]);
+        setEventID(window.location.pathname.split("/")[1]);
 
         console.log(`Width: ${window.innerWidth}px`);
+        console.log(`Event ID: ${window.location.pathname.split("/")[1]}`)
 
         axios
             .post("/get_event_reg", {
-                eventID: window.location.pathname.split("/")[2],
+                eventID: window.location.pathname.split("/")[1],
             })
             .then((res) => {
                 console.log("------- Event REgistration staus");
@@ -127,21 +178,14 @@ export default function EventRegister() {
 
         axios
             .post("/get_event_start_time", {
-                eventID: window.location.pathname.split("/")[2],
+                eventID: window.location.pathname.split("/")[1],
             })
             .then((res) => {
                 console.log("setting start time");
                 console.log(utcToLocalTimeStamp(res.data.time));
                 setEventStart(utcToLocalTimeStamp(res.data.time));
             });
-        // axios
-        // .post("/get_event_max_count", {
-        //     eventID: window.location.pathname.split("/")[2],
-        // })
-        // .then((res) => {
-        //     setMaxCount(res.data.count);
-        // });
-        
+
         setTimeout(() => {
             setFadeStatus("visible");
         }, 500);
@@ -151,12 +195,12 @@ export default function EventRegister() {
     }, []);
 
     useEffect(() => {
-        if (modalOpen) {
+        if (modalOpen || !usingKluMail) {
             window.scrollTo(0, 0);
             document.body.style.overflowY = "hidden";
         } else document.body.style.overflowY = "auto";
         console.log(currentUser);
-    }, [modalOpen]);
+    }, [modalOpen, usingKluMail]);
 
     useEffect(() => {
         if (eventStart) {
@@ -174,20 +218,32 @@ export default function EventRegister() {
     useEffect(() => {
         setEventRegisteringInProgress(true);
         if (currentUser && currentUser !== "none") {
-            currentUser.getIdToken().then((token) => {
-                axios
-                    .post(
-                        "/get_event_reg_status",
-                        { userID: currentUser.uid, eventID: eventID },
-                        { headers: { Authorization: token } }
-                    )
-                    .then((res) => {
-                        if (res.data.status == "Registered")
-                            setEventRegisterStatus("registered");
-                        else setEventRegisterStatus("not_registered");
-                    })
-                    .finally(() => setEventRegisteringInProgress(false));
-            });
+            console.log("User is logged in")
+            if (currentUser.email.split("@")[1] == "klu.ac.in") {
+                console.log("with KLU Mail. Getting event registration status.")
+                setUsingKluMail(true);
+                currentUser.getIdToken().then((token) => {
+                    axios
+                        .post(
+                            "/get_event_reg_status",
+                            { userID: currentUser.uid, eventID: eventID, email: currentUser.email },
+                            { headers: { Authorization: token } }
+                        )
+                        .then((res) => {
+                            if (res.data.status == "Registered")
+                                setEventRegisterStatus("registered");
+                            else setEventRegisterStatus("not_registered");
+                        })
+                        .finally(() => setEventRegisteringInProgress(false));
+                });
+            }
+            else {
+                console.log("using personal account. Showing warning modal.")
+                setUsingKluMail(false);
+            }
+        }
+        else {
+            // not logged in
         }
     }, [currentUser]);
 
@@ -202,11 +258,11 @@ export default function EventRegister() {
                         <div className="eventInfoWrapper">
                             <div className="eventInfo">
                                 <div className="eventTitle">
-                                    Algorithmist 2024
+                                    Algorithmist 2025
                                 </div>
 
                                 <div className="aboutEvent">
-                                    Algorithmist 24" is a series of coding
+                                    Algorithmist '25 is a series of coding
                                     events organized by the GFG KARE Student
                                     Chapter in sponsorship with GeeksforGeeks at
                                     Kalasalingam Academy of Research and
@@ -252,7 +308,10 @@ export default function EventRegister() {
                                         disabled={
                                             (eventRegisterStatus === "registered" || eventRegisteringInProgress === true || eventRegistrationStatus !== "accepting")
                                         }
-                                        onClick={() => setModalOpen(true)}
+                                        onClick={() => {
+                                            setModalOpen(true);
+                                            prefillRegistrationFields();
+                                        }}
                                     >
                                         { (eventRegistrationStatus !== "accepting") ? "Registration Closed" :
                                         (eventRegisteringInProgress) ? (
@@ -281,6 +340,9 @@ export default function EventRegister() {
                                             console.log("registering...");
                                             signinwithpopup("google");
                                         }}
+                                        onMouseEnter={() => {
+                                            toast.info("Kindly login with your KLU Mail", { toastId: "login_with_klu_reminder" })
+                                        }}
                                     >
                                         Sign in to Register
                                     </button>)
@@ -328,7 +390,7 @@ export default function EventRegister() {
                                             Registration Deadline
                                         </div>
                                         <div className="content">
-                                            22nd Dec 2023, 6PM
+                                            25th Dec 2024, 6PM
                                         </div>
                                     </div>
                                 </div>
@@ -525,6 +587,7 @@ export default function EventRegister() {
                 <Footer />
             </div>
 
+            {/* REGISTER MODAL */}
             <div
                 className={modalOpen ? "modal open" : "modal"}
                 onClick={() => setModalOpen(false)}
@@ -538,6 +601,7 @@ export default function EventRegister() {
                 >
                     <h2>Complete your registration</h2>
                     <form
+                        ref={registrationForm}
                         autoComplete="off"
                         onSubmit={(e) => {
                             e.preventDefault();
@@ -547,7 +611,7 @@ export default function EventRegister() {
                     >
                         <div className="row">
                             <div className="emailIndication">
-                                <img src={currentUser?.photoURL} alt="" />
+                                <img src={currentUser?.photoURL} alt="" referrerPolicy="no-referrer" />
                                 <div
                                     onClick={() => {
                                         setModalOpen(false);
@@ -561,6 +625,29 @@ export default function EventRegister() {
                                 </div>
                             </div>
                         </div>
+
+                        <div className="row">
+                            <span className="kluMailReminder">
+                                <CiCircleInfo size={"15px"} />
+                                <span className="text">
+                                    Ensure you are logged in with YOUR KLU Email.
+                                </span>
+                            </span>
+                            <span className="kluMailReminder">
+                                <CiWarning size={"15px"} />
+                                <span className="text">
+                                    Same email and Register number cannot be used for another registration. 
+                                </span>
+                            </span>
+                            <span className="kluMailReminder">
+                                <PiSparkleThin size={"15px"} />
+                                <span className="text">
+                                    We've pre-filled your info from your email. Please check for any errors.
+                                </span>
+                            </span>
+                            
+                        </div>
+
                         <div className="row">
                             <label for="name">Full Name *</label>
                             <input
@@ -572,7 +659,10 @@ export default function EventRegister() {
                                 defaultValue={currentUser?.displayName}
                             />
                         </div>
-                        <div className="row">
+                        <div 
+                            className="row"
+                            onClick={() => (!currentUser.email) ? toast.error("The register number is based on your Email and cannot be modified.", { toastId: "reg_no_disabled_info" }) : toast.error(currentUser.email)}
+                        >
                             <label for="email">Register No *</label>
                             <input
                                 id="email"
@@ -580,15 +670,20 @@ export default function EventRegister() {
                                 required
                                 autoComplete="off"
                                 ref={regNo}
+                                disabled={ currentUser?.email }
                             />
                         </div>
                         {/* <div className="row">
                             <label for="email">Email Address *</label>
                             <input id="email" type="email" required autoComplete="off" ref={email} />
                         </div> */}
-                        <div className="row">
+                        <div className="row" onClick={() => getFieldValues("year", currentUser.email)}>
                             <label for="year">Year *</label>
-                            <select name="year" ref={year}>
+                            <select 
+                                name="year" 
+                                ref={year}
+                            >
+                                <option value="IV">IV</option>
                                 <option value="III">III</option>
                                 <option value="II">II</option>
                             </select>
@@ -597,9 +692,10 @@ export default function EventRegister() {
                             <label for="department">Department *</label>
                             <select
                                 name="department"
-                                onChange={(e) =>
+                                onChange={(e) => {
                                     setUserDept(e.currentTarget.value)
-                                }
+                                }}
+                                value={userDept}
                                 ref={dept}
                             >
                                 <option value="">
@@ -610,19 +706,24 @@ export default function EventRegister() {
                                 <option value="OTHER">Other...</option>
                             </select>
                         </div>
-                        {userDept === "OTHER" ? (
-                            <div className="row">
-                                <label for="department">Department *</label>
-                                <input
-                                    type="text"
-                                    placeholder="Enter your department..."
-                                    ref={otherDept}
-                                    required
-                                />
-                            </div>
-                        ) : (
-                            <></>
-                        )}
+                        <div className="row" style={{ display: (userDept === "OTHER") ? "flex" : "none" }}>
+                            <label for="department">Department *</label>
+                            <input
+                                type="text"
+                                placeholder="Enter your department..."
+                                ref={otherDept}
+                                required={ userDept === "OTHER" }
+                            />
+                        </div>
+                        {/* <div className="row" style={{ display: userDept === "OTHER" ? "block" : "none" }}>
+                            <label htmlFor="department">Department *</label>
+                            <input
+                                type="text"
+                                placeholder="Enter your department..."
+                                ref={otherDept}
+                                required
+                            />
+                        </div> */}
                         <div className="row">
                             <label for="num">Contact Number *</label>
                             <input
@@ -643,6 +744,44 @@ export default function EventRegister() {
                     </form>
                 </div>
             </div>
+
+            <div
+                className={(USER_PRESENT() && !usingKluMail) ? "changeMailModal modal open" : "changeMailModal modal"}
+                // onClick={() => setModalOpen(false)}
+                onClick={() => {
+                    console.log("Logged in? ", USER_PRESENT());
+                    console.log("Using KLU Mail?", usingKluMail);
+                    console.log("Show Modal? ", (USER_PRESENT() && !usingKluMail));
+                    
+                }}
+            >
+                <div className="box">
+                    <h4>
+                        ⚠️Login with KLU Email
+                    </h4>
+                    
+                    <span className="info">
+                        You are not currently logged in with your KLU Email. Please <strong>log in using your KLU Email</strong> address to complete your registration for Algorithmist '25.
+                    </span>
+                        
+                    <div className="emailIndication">
+                        <img src={currentUser?.photoURL} alt="" referrerPolicy="no-referrer" />
+                        <div
+                            onClick={() => {
+                                setModalOpen(false);
+                                signinwithpopup("google");
+                            }}
+                        >
+                            <span className="email">
+                                Currently logged in as {currentUser?.email}
+                            </span>
+                            <span>Click to log in with your KLU Mail</span>
+                        </div>
+                    </div>
+
+
+                </div>
+            </div>
         </>
     );
 }