diff --git a/_apidoc.js b/_apidoc.js
index 1309a25..ff97976 100644
--- a/_apidoc.js
+++ b/_apidoc.js
@@ -666,6 +666,35 @@
  * attainment as per Bloom's Taxanomy (L1-L6).
  */
 
+// ------------------------------------------------------------------------------------------
+// Group.
+// ------------------------------------------------------------------------------------------
+
+/**
+ * @api {post} /group/add Add Group
+ * @apiName AddGroup
+ * @apiGroup Group
+ * @apiDescription Add a new group.
+ *
+ * @apiBody {String} title Group title.
+ * @apiBody {ObjectId[]} students Array of student ObjectIDs.
+ *
+ * @apiSuccess {String} res Response message.
+ * @apiError (Error 500) GroupAddError Error while adding the group
+ *
+ * @apiSuccessExample Success-Response:
+ *     HTTP/1.1 200 OK
+ *     {
+ *       "res": "added group Example Group"
+ *     }
+ *
+ * @apiErrorExample Error-Response:
+ *     HTTP/1.1 500 Internal Server Error
+ *     {
+ *       "err": "Error while inserting in DB"
+ *     }
+ */
+
 // ------------------------------------------------------------------------------------------
 // Semester
 // ------------------------------------------------------------------------------------------
@@ -757,9 +786,6 @@
  * @apiError (Error 500) DatabaseError Error while inserting in the database.
  *
  * @apiDescription Adds a new Activity to the system.
- */
-
-/**
  *
  * @apiSuccessExample Success-Response:
  *     HTTP/1.1 200 OK
@@ -774,6 +800,45 @@
  *     }
  */
 
+/**
+ * @api {delete} /group/delete/:id Delete Group
+ * @apiName DeleteGroup
+ * @apiGroup Group
+ *
+ * @apiParam {ObjectId} id The ObjectID of the group to delete.
+ *
+ * @apiSuccess {String} res Success message indicating the deletion.
+ * @apiError (Error 500) GroupDeleteError Error while deleting the group
+ *
+ */
+
+/**
+ * @api {post} /group/update/:id Update Group Details
+ * @apiName UpdateGroup
+ * @apiGroup Group
+ * @apiDescription Update existing group details.
+ *
+ * @apiParam {ObjectId} id The ObjectID of the group to update.
+ * @apiBody {String} [title] Group title.
+ * @apiBody {ObjectId[]} [students] Array of student ObjectIDs.
+ *
+ * @apiSuccess {String} res Group updated.
+ * @apiError (Error 500) GroupUpdateError Error in updating database
+ *
+ */
+
+/**
+ * @api {get} /group/list Get Group List
+ * @apiName GetGroupList
+ * @apiGroup Group
+ *
+ * @apiQuery {String} [title] Title of the group.
+ *
+ * @apiSuccess {Group[]} res Array of filtered group documents.
+ * @apiSuccess {ObjectId} group._id ObjectID of the group document in the database.
+ * @apiSuccess {String} group.title Title of the group.
+ * @apiSuccess {ObjectId[]} group.students Array of student ObjectIDs in the group.
+ */
 /**
  * @api {delete} /timetable/delete/:timetableId Delete Timetable
  * @apiName DeleteTimetable
diff --git a/app.js b/app.js
index 4d6c99c..2f34bee 100644
--- a/app.js
+++ b/app.js
@@ -23,6 +23,7 @@ import moduleRouter from "#routes/module";
 import facultyRouter from "#routes/faculty";
 import { identifyUser } from "#middleware/identifyUser";
 import departmentRouter from "#routes/department";
+import groupRouter from "#routes/group";
 
 const app = express();
 const currDirName = dirname(fileURLToPath(import.meta.url));
@@ -56,6 +57,7 @@ app.use("/timetable", timetableRouter);
 app.use("/department", departmentRouter);
 app.use("/coursework", courseworkRouter);
 app.use("/module", moduleRouter);
+app.use("/group", groupRouter);
 app.use("/semester", semesterRouter);
 app.use("/faculty", facultyRouter);
 export default app;
diff --git a/controller/group.js b/controller/group.js
new file mode 100644
index 0000000..a0284fc
--- /dev/null
+++ b/controller/group.js
@@ -0,0 +1,54 @@
+import {
+  createGroup, deleteGroupById, groupList, updateGroupById,
+} from "#services/group";
+import { logger } from "#util";
+
+async function addGroup(req, res) {
+  const {
+    title, student,
+  } = req.body;
+  try {
+    const group = await createGroup(title, student);
+    res.json({ res: `added group ${group.id}`, id: group.id });
+  } catch (error) {
+    logger.error("Error while inserting", error);
+    res.status(500);
+    res.json({ err: "Error while inserting in DB" });
+  }
+}
+
+async function updateGroup(req, res) {
+  const { id } = req.params;
+  const {
+    ...data
+  } = req.body;
+  try {
+    await updateGroupById(id, data);
+    res.json({ res: `updated group with id ${id}` });
+  } catch (error) {
+    logger.error("Error while updating", error);
+    res.status(500);
+    res.json({ err: "Error while updaing in DB" });
+  }
+}
+
+async function getGroup(req, res) {
+  const filter = req.query;
+  const group = await groupList(filter);
+  res.json({ res: group });
+}
+
+async function deleteGroup(req, res) {
+  const { id } = req.params;
+  try {
+    await deleteGroupById(id);
+    res.json({ res: `Deleted group with ID ${id}` });
+  } catch (error) {
+    logger.error("Error while deleting", error);
+    res.status(500).json({ error: "Error while deleting from DB" });
+  }
+}
+
+export default {
+  addGroup, deleteGroup, getGroup, updateGroup,
+};
diff --git a/models/group.js b/models/group.js
index 2f9f9f4..57cfed1 100644
--- a/models/group.js
+++ b/models/group.js
@@ -19,7 +19,7 @@ async function read(filter, limit = 1) {
 }
 
 async function update(filter, updateObject, options = { multi: true }) {
-  const updateResult = await Group.updateManyupdateMany(filter, { $set: updateObject }, options);
+  const updateResult = await Group.updateMany(filter, { $set: updateObject }, options);
   return updateResult.acknowledged;
 }
 async function remove(groupId) {
diff --git a/routes/group.js b/routes/group.js
new file mode 100644
index 0000000..e9f20a5
--- /dev/null
+++ b/routes/group.js
@@ -0,0 +1,10 @@
+import express from "express";
+import groupController from "#controller/group";
+
+const router = express.Router();
+router.post("/add", groupController.addGroup);
+router.get("/list", groupController.getGroup);
+router.post("/update/:id", groupController.updateGroup);
+router.delete("/delete/:id", groupController.deleteGroup);
+
+export default router;
diff --git a/services/group.js b/services/group.js
new file mode 100644
index 0000000..d02ff62
--- /dev/null
+++ b/services/group.js
@@ -0,0 +1,33 @@
+import Group from "#models/group";
+import databaseError from "#error/database";
+
+export async function createGroup(title, student) {
+  const newGroup = await Group.create({
+    title, student,
+  });
+  if (newGroup.title === title) {
+    return newGroup;
+  }
+  throw new databaseError.DataEntryError("group");
+}
+
+export async function updateGroupById(id, data) {
+  const updated = await Group.update({ _id: id }, data);
+  if (updated) {
+    return updated;
+  }
+  throw new databaseError.DataEntryError("group");
+}
+
+export async function groupList(filter) {
+  const groups = await Group.read(filter, 0);
+  return groups;
+}
+
+export async function deleteGroupById(groupId) {
+  const deleted = await Group.remove({ _id: groupId });
+  if (deleted) {
+    return deleted;
+  }
+  throw new databaseError.DataDeleteError("group");
+}
diff --git a/test/routes/group.test.js b/test/routes/group.test.js
new file mode 100644
index 0000000..4770ef9
--- /dev/null
+++ b/test/routes/group.test.js
@@ -0,0 +1,84 @@
+import { jest } from "@jest/globals"; // eslint-disable-line import/no-extraneous-dependencies
+import request from "supertest";
+import app from "#app";
+import connector from "#models/databaseUtil";
+import groupModel from "#models/group";
+
+jest.mock("#util");
+
+let server;
+let agent;
+
+beforeAll((done) => {
+  server = app.listen(null, () => {
+    agent = request.agent(server);
+    connector.set("debug", false);
+    done();
+  });
+});
+
+function cleanUp(callback) {
+  groupModel
+    .remove({
+      id: "6500594e2b7b532006c073dd",
+    })
+    .then(() => {
+      connector.disconnect((DBerr) => {
+        if (DBerr) console.log("Database disconnect error: ", DBerr);
+        server.close((serverErr) => {
+          if (serverErr) console.log(serverErr);
+          callback();
+        });
+      });
+    });
+}
+
+afterAll((done) => {
+  cleanUp(done);
+});
+
+describe("group API", () => {
+  it("should create group", async () => {
+    const response = await agent.post("/group/add").send({
+      title: "Group 1",
+      student: "64fdc67feca8a69f01b33614",
+    });
+    expect(response.headers["content-type"]).toMatch(/json/);
+    expect(response.status).toBe(200);
+    expect(response.body.res).toMatch(/added group/);
+  });
+
+  describe("after adding group", () => {
+    let id;
+    beforeEach(async () => {
+      id = await agent.post("/group/add").send({
+        title: "Group 1",
+        student: "64fdc67feca8a69f01b33614",
+      });
+      id = JSON.parse(id.res.text).id;
+    });
+
+    afterEach(async () => {
+      await groupModel.remove({
+        id: "6500594e2b7b532006c073dd",
+      });
+    });
+
+    it("should read group", async () => {
+      const response = await agent
+        .get("/group/list")
+        .send({ name: "Building A" });
+      expect(response.status).toBe(200);
+      expect(response.body.res).toBeDefined();
+    });
+
+    it("should update group", async () => {
+      const response = await agent
+        .post(`/group/update/${id}`)
+        .send({ title: "Group 1" }, { title: "Group 2" });
+      expect(response.headers["content-type"]).toMatch(/json/);
+      expect(response.status).toBe(200);
+      expect(response.body.res).toMatch(/updated group/);
+    });
+  });
+});