diff --git a/courses/free-courses-en.md b/courses/free-courses-en.md
index 9dcaae150..2b03dc282 100644
--- a/courses/free-courses-en.md
+++ b/courses/free-courses-en.md
@@ -194,6 +194,7 @@
 * [AI Fundamentals](https://www.udacity.com/course/ai-fundamentals--ud099) - Microsoft Azure (Udacity)
 * [Aml-2018 Ambient Intelligence](https://www.youtube.com/playlist?list=PLqRTLlwsxDL8fUcY2Y54sITILyJcTySpC) - Fulvio Corno, Luigi De Russis, Alberto Monge Roffarello @ Politecnico di Torino
 * [Artificial Intelligence on Google Cloud Platform](https://www.youtube.com/playlist?list=PL3N9eeOlCrP6Nhv4UFp67IsQ_TVDpXqXK) - Srivatsan Srinivasan @ AIEngineering (YouTube)
+* [Artificial Intelligence Search Methods For Problem Solving](https://youtube.com/playlist?list=PLbMVogVj5nJSFZoiF6RDqyz_m6Srjx_MY) - nptelhrd
 * [CS50’s Introduction to Artificial Intelligence with Python](https://cs50.harvard.edu/ai/) - Brian Yu, David J. Malan (Harvard OpenCourseWare and edX)
 * [Elements of AI](https://www.elementsofai.com) - University of Helsinki, Reaktor
 * [IBM AI Engineering Professional Certificate](https://www.coursera.org/professional-certificates/ai-engineer) - Romeo Kienzler, Saeed Aghabozorgi, Joseph Santarcangelo, Alex Aklson et al. (Coursera)
diff --git a/courses/free-courses-hi.md b/courses/free-courses-hi.md
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 ### Databases
 
-* [DBMS (Database Management system) Complete Playlist](https://www.youtube.com/playlist?list=PLxCzCOWd7aiFAN6I8CuViBuCdJgiOkT2Y) - Gate Smashers
+* [3.1 DBMS In Hindi (Complete Playlist)](https://www.youtube.com/playlist?list=PLmXKhU9FNesR1rSES7oLdJaNFgmuj0SYV) - Knowledge Gate
+* [DBMS (Database Management System) Complete Playlist](https://www.youtube.com/playlist?list=PLxCzCOWd7aiFAN6I8CuViBuCdJgiOkT2Y) - Gate Smashers
 * [DBMS Placements Series 2022](https://www.youtube.com/playlist?list=PLDzeHZWIZsTpukecmA2p5rhHM14bl2dHU) - CodeHelp - by Babbar