diff --git a/books/free-programming-books-en.md b/books/free-programming-books-en.md
index aa0faf46963a8..13610977109c9 100644
--- a/books/free-programming-books-en.md
+++ b/books/free-programming-books-en.md
@@ -2,9 +2,16 @@
 
 * [All](#all)
 
+* [Algorithms and Data Structures](#algorithms-and-data-structures)
+    * [Algorithms](#algorithms)
+    * [Data Structures](#data-structures)
 
 ### All
 
 * [English, By Programming Language](free-programming-books-langs.md)
 * [English, By Subject](free-programming-books-subjects.md)
   (The list of books in English is here for historical reasons.)
+
+### Algorithms and Data Structures
+
+* [Data Structures using C] (https://drive.google.com/file/d/1OHsaZ8EPX0LSBmYjNHOYWyolBge3PP2o/view?usp=drive_link) - Reema Thareja
\ No newline at end of file
diff --git a/courses/free-courses-hi.md b/courses/free-courses-hi.md
index 65108b3ab2be4..f9340f88cf193 100644
--- a/courses/free-courses-hi.md
+++ b/courses/free-courses-hi.md
@@ -79,6 +79,7 @@
 ### Algorithms and Data Structures
 
 * [Complete C++ DSA Course \| Data Structures & Algorithms Playlist](https://www.youtube.com/playlist?list=PLfqMhTWNBTe137I_EPQd34TsgV6IO55pt) - Apna College
+* [Strivers A2Z-DSA Course](https://youtube.com/playlist?list=PLgUwDviBIf0oF6QL8m22w1hIDC1vJ_BHz&si=iqk9B5SNFydT8gd5) - take U forward 
 * [Complete C++ Placement DSA Course](https://www.youtube.com/playlist?list=PLDzeHZWIZsTryvtXdMr6rPh4IDexB5NIA) - CodeHelp by Babbar
 * [Data Structures and Algorithms Course in Hindi](https://www.youtube.com/playlist?list=PLu0W_9lII9ahIappRPN0MCAgtOu3lQjQi) - CodeWithHarry
 * [Data Structures and Algorithms for GATE — Complete Playlist](https://www.youtube.com/playlist?list=PLC36xJgs4dxFCQVvjMrrjcY3XrcMm2GHy) - Gate CSE lectures by Amit Khurana