From 167b52417141f2eae3cf928355c0646910e9ed7b Mon Sep 17 00:00:00 2001
From: Anuj Singh <62144435+anuj-s1ngh@users.noreply.github.com>
Date: Thu, 15 Jun 2023 20:06:41 +0530
Subject: [PATCH] Update free-courses-en.md (#9399)

add youtube playlists for graph theory.
---
 courses/free-courses-en.md | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/courses/free-courses-en.md b/courses/free-courses-en.md
index 07c7682bd..33af13dc1 100644
--- a/courses/free-courses-en.md
+++ b/courses/free-courses-en.md
@@ -40,6 +40,7 @@
 * [Game Development](#game-development)
 * [Git](#git)
 * [Go](#go)
+* [Graph Theory](#graph-theory)
 * [Haskell](#haskell)
 * [HTML and CSS](#html-and-css)
     * [Bootstrap](#bootstrap)
@@ -671,6 +672,12 @@
 * [Let's go with golang](https://www.youtube.com/playlist?list=PLRAV69dS1uWQGDQoBYMZWKjzuhCaOnBpa) - Hitesh Choudhary
 
 
+### Graph Theory
+
+* [Graph Theory](https://youtube.com/playlist?list=PLztBpqftvzxXBhbYxoaZJmnZF6AUQr1mH) - Wrath of Math
+* [Graph Theory - DM](https://youtube.com/playlist?list=PLYrahs7hsYIQiSNxTfZndQz7jWPXsA1ur) - SCCI Labs IIT Ropar
+
+
 ### Haskell
 
 * [Advanced Functional Programming in Haskell](http://www.cs.nott.ac.uk/~pszgmh/afp.html) - Graham Hutton