diff --git a/server/schemas/admin.schema.ts b/server/schemas/admin.schema.ts
new file mode 100644
index 0000000..36eb8eb
--- /dev/null
+++ b/server/schemas/admin.schema.ts
@@ -0,0 +1,23 @@
+import mongoose from "mongoose";
+import { accesses } from "../utils/constants";
+
+const adminSchema = new mongoose.Schema({
+  webmail: {
+    type: String,
+    unique: true,
+  },
+  description: String,
+  isStudent: {
+    type: Boolean,
+    default: false,
+  },
+  access: [
+    {
+      type: String,
+      enum: accesses,
+    },
+  ],
+});
+
+export const Admin = mongoose.model("Admin", adminSchema);
+export type Admin = typeof Admin;
diff --git a/server/schemas/constant.schema.ts b/server/schemas/constant.schema.ts
new file mode 100644
index 0000000..2a14046
--- /dev/null
+++ b/server/schemas/constant.schema.ts
@@ -0,0 +1,17 @@
+import mongoose from "mongoose";
+
+const constantSchema = new mongoose.Schema({
+  constKey: {
+    type: String,
+    unique: true,
+  },
+  description: String,
+  type: {
+    type: String,
+    enum: ["Number", "String", "Object", "Array"],
+  },
+  value: mongoose.Schema.Types.Mixed,
+});
+
+export const Constant = mongoose.model("Constant", constantSchema);
+export type Constant = typeof Constant;
diff --git a/server/schemas/mess.schema.ts b/server/schemas/mess.schema.ts
new file mode 100644
index 0000000..395c46e
--- /dev/null
+++ b/server/schemas/mess.schema.ts
@@ -0,0 +1,24 @@
+import mongoose from "mongoose";
+import { batches } from "../utils/constants";
+
+const messSchema = new mongoose.Schema({
+  messName: {
+    type: String,
+    unique: true,
+  },
+  population: {
+    type: Number,
+    default: 0,
+  },
+  capacity: Number,
+  location: [String],
+  rating: Number,
+  batch: {
+    type: String,
+    enum: batches,
+  },
+  hostelNames: [String],
+});
+
+export const Mess = mongoose.model("Mess", messSchema);
+export type Mess = typeof Mess;
diff --git a/server/schemas/messReview.schema.ts b/server/schemas/messReview.schema.ts
new file mode 100644
index 0000000..3cc4913
--- /dev/null
+++ b/server/schemas/messReview.schema.ts
@@ -0,0 +1,18 @@
+import mongoose from "mongoose";
+
+const messReviewSchema = new mongoose.Schema({
+  messID: {
+    type: mongoose.Schema.Types.ObjectId,
+    ref: "Mess",
+  },
+  userID: {
+    type: mongoose.Schema.Types.ObjectId,
+    ref: "User",
+  },
+  comment: String,
+  rating: Number,
+  time: Date,
+});
+
+export const MessReview = mongoose.model("MessReview", messReviewSchema);
+export type MessReview = typeof MessReview;
diff --git a/server/schemas/userDetail.schema.ts b/server/schemas/userDetail.schema.ts
new file mode 100644
index 0000000..8aea436
--- /dev/null
+++ b/server/schemas/userDetail.schema.ts
@@ -0,0 +1,15 @@
+import mongoose from "mongoose";
+
+const userDetailSchema = new mongoose.Schema({
+  rollNumber: {
+    type: Number,
+    required: true,
+    unique: true,
+  },
+  name: String,
+  hostelName: String,
+  roomNumber: Number,
+});
+
+export const UserDetail = mongoose.model("UserDetail", userDetailSchema);
+export type UserDetail = typeof UserDetail;
diff --git a/server/schemas/userMessDetail.schema.ts b/server/schemas/userMessDetail.schema.ts
new file mode 100644
index 0000000..02b692f
--- /dev/null
+++ b/server/schemas/userMessDetail.schema.ts
@@ -0,0 +1,22 @@
+import mongoose from "mongoose";
+
+const userMessDetailSchema = new mongoose.Schema({
+  messID: {
+    type: mongoose.Schema.Types.ObjectId,
+    ref: "Mess",
+  },
+  messPreference: [
+    {
+      type: mongoose.Schema.Types.ObjectId,
+      ref: "Mess",
+    },
+  ],
+  messRegistrationTime: Date,
+  isEligibleForRegistering: Boolean,
+});
+
+export const UserMessDetail = mongoose.model(
+  "UserMessDetail",
+  userMessDetailSchema
+);
+export type UserMessDetail = typeof UserMessDetail;
diff --git a/server/utils/constants.ts b/server/utils/constants.ts
index 96a0b33..46135b8 100644
--- a/server/utils/constants.ts
+++ b/server/utils/constants.ts
@@ -26,4 +26,11 @@ const batches = [
 
 const genders = ["MALE", "FEMALE"];
 
-export { batches, genders };
+const accesses = [
+  "GetMessList",
+  "GetMessUnallottedUsers",
+  "OpenOrCloseMessRegistration",
+  "MessAllotment",
+];
+
+export { batches, genders, accesses };