diff --git a/courses/free-courses-bn.md b/courses/free-courses-bn.md
index 9a0d0d310..b0f478ed5 100644
--- a/courses/free-courses-bn.md
+++ b/courses/free-courses-bn.md
@@ -69,10 +69,9 @@
 ### <a id="cpp"></a>C++
 
 * [C++ Bangla Tutorial Course](https://www.youtube.com/playlist?list=PLgH5QX0i9K3q0ZKeXtF--CZ0PdH1sSbYL) - Anisul Islam
-* [C++ Bangla Tutorial for Beginners - 2022](https://www.youtube.com/playlist?list=PLeqnvPK4PpyWsjZvgLTRcc-dkPQXc8SHc) - 
-Shikkhangon BD
-* [Object Oriented C++ \| Bangla Tutorial](https://www.youtube.com/playlist?list=PLy7uM3PHzMF1hnqhFGE4_A8qTUfFmZ_3y) - 
-Online School
+* [C++ Bangla Tutorial for Beginners - 2022](https://www.youtube.com/playlist?list=PLeqnvPK4PpyWsjZvgLTRcc-dkPQXc8SHc) - Shikkhangon BD
+* [C++ STL (Bangla)](https://youtube.com/playlist?list=PLgLCjVh3O6Sgux985GYG22xkFt9z9Sq0_) - LoveExtendsCode
+* [Object Oriented C++ \| Bangla Tutorial](https://www.youtube.com/playlist?list=PLy7uM3PHzMF1hnqhFGE4_A8qTUfFmZ_3y) - Online School
 
 
 ### Competitive Programming