diff --git a/Namespaces/index.js b/Namespaces/index.js
new file mode 100644
index 0000000..8c6f7be
--- /dev/null
+++ b/Namespaces/index.js
@@ -0,0 +1,35 @@
+/// <reference path="./utils.ts" />
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    };
+    return function (d, b) {
+        if (typeof b !== "function" && b !== null)
+            throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+var App;
+(function (App) {
+    var Detail = /** @class */ (function (_super) {
+        __extends(Detail, _super);
+        function Detail() {
+            return _super !== null && _super.apply(this, arguments) || this;
+        }
+        Detail.prototype.getName = function () {
+            console.log("name is ".concat(this.name));
+        };
+        Detail.prototype.bio = function () {
+            return "Name: ".concat(this.getName(), " ");
+        };
+        return Detail;
+    }(Bio.Name));
+    App.Detail = Detail;
+    var a = new App.Detail("Ahsan");
+    console.log(a.bio());
+})(App || (App = {}));
diff --git a/Namespaces/index.ts b/Namespaces/index.ts
new file mode 100644
index 0000000..e8f9c48
--- /dev/null
+++ b/Namespaces/index.ts
@@ -0,0 +1,19 @@
+/// <reference path="./utils.ts" />
+
+namespace App {
+
+    export class Detail extends Bio.Name implements Bio.Data {
+    
+        getName() {
+            console.log(`name is ${this.name}`)
+        }
+
+
+        bio(): string {
+            return `Name: ${this.getName()} `;
+        }
+    }
+
+    const a = new App.Detail("Ahsan");
+    console.log(a.bio()); 
+}
diff --git a/Namespaces/utils.js b/Namespaces/utils.js
new file mode 100644
index 0000000..7fa2561
--- /dev/null
+++ b/Namespaces/utils.js
@@ -0,0 +1,30 @@
+var Bio;
+(function (Bio) {
+    var Name = /** @class */ (function () {
+        function Name(name) {
+            this.name = name;
+        }
+        return Name;
+    }());
+    Bio.Name = Name;
+    var FatherName = /** @class */ (function () {
+        function FatherName(name) {
+            this.name = name;
+        }
+        FatherName.prototype.getFatherName = function () {
+            console.log("father name is ".concat(this.name));
+        };
+        return FatherName;
+    }());
+    Bio.FatherName = FatherName;
+    var Age = /** @class */ (function () {
+        function Age(age) {
+            this.age = age;
+        }
+        Age.prototype.getAge = function () {
+            console.log("age is ".concat(this.age));
+        };
+        return Age;
+    }());
+    Bio.Age = Age;
+})(Bio || (Bio = {}));
diff --git a/Namespaces/utils.ts b/Namespaces/utils.ts
new file mode 100644
index 0000000..14c2a52
--- /dev/null
+++ b/Namespaces/utils.ts
@@ -0,0 +1,43 @@
+
+namespace Bio {
+    export class Name {
+        protected name: string;
+
+        constructor (name: string){
+            this.name = name
+        }
+
+  
+    }
+
+
+    export class FatherName {
+        protected name: string;
+        
+        constructor (name: string){
+            this.name = name
+        }
+
+        getFatherName() {
+            console.log(`father name is ${this.name}`)
+        }
+    }
+
+    export class Age {
+        protected age: number;
+        
+        constructor (age: number){
+            this.age = age
+        }
+
+        getAge() {
+            console.log(`age is ${this.age}`)
+        }
+    }
+
+
+    export interface Data {
+        bio(): string;
+    } 
+
+}
\ No newline at end of file