diff --git a/courses/free-courses-en.md b/courses/free-courses-en.md
index fc47c163..85c697aa 100644
--- a/courses/free-courses-en.md
+++ b/courses/free-courses-en.md
@@ -430,6 +430,7 @@
 * [learn:query](https://learnquery.infinum.co)
 * [Namaste 🙏 JavaScript: An In-Depth JavaScript Fundamentals Course](https://www.youtube.com/playlist?list=PLlasXeu85E9cQ32gLCvAvr9vNaUccPVNP) - Akshay Saini (YouTube)
 * [Programming Foundations with Javascript, HTML and CSS](https://www.coursera.org/learn/duke-programming-web) - Owen Astrachan, Robert Duvall, Andrew D. Hilton, Susan H. Rodger (Coursera)
+* [Understanding RxJS](https://youtube.com/playlist?list=PL55RiY5tL51pHpagYcrN9ubNLVXF8rGVi) - Academind
 * [Vanilla JavaScript](https://www.youtube.com/playlist?list=PLillGF-RfqbbnEGy3ROiLWk7JMCuSyQtX) - Brad Traversy, Traversy Media (YouTube)
 
 
diff --git a/courses/free-courses-hi.md b/courses/free-courses-hi.md
index 4c027bd9..aa63afdd 100644
--- a/courses/free-courses-hi.md
+++ b/courses/free-courses-hi.md
@@ -69,7 +69,7 @@
 
 * [JavaScript Tutorial \| Hindi](https://www.youtube.com/playlist?list=PLu0W_9lII9ajyk081To1Cbt2eI5913SsL) - Harry
 * [JavaScript Tutorial for Beginners (In Hindi)](https://www.youtube.com/playlist?list=PLwGdqUZWnOp1hqyT6h7pY0RlXIIGlE5U0) - Vinod Bahadur Thapa (Thapa Technical)
-
+* [RxJS Series (In Hindi)](https://youtube.com/playlist?list=PLLhsXdvz0qjI68a8tLUUMyXmNhl608mcn) - UX Trendz
 
 <h4 id="nextjs">Next.js</h4>