diff --git a/README.md b/README.md
index 85514c9..fd4bba9 100755
--- a/README.md
+++ b/README.md
@@ -13,30 +13,33 @@ Table of Contents
 
 ------------------------------
 
-- [Introduction to Computer Science](#introduction-to-computer-science)
-- [Data Structures and Algorithms](#data-structures-and-algorithms)
-- [Systems Programming](#systems-programming)
-- [Database Systems](#database-systems)
-- [Software Engineering](#software-engineering)
-- [Artificial Intelligence](#artificial-intelligence)
-- [Machine Learning](#machine-learning)
-- [Web Programming and Internet Technologies](#web-programming-and-internet-technologies)
-- [Computer Networks](#computer-networks)
-- [Math for Computer Scientist](#math-for-computer-scientist)
-- [Theoretical CS and Programming Languages](#theoretical-cs-and-programming-languages)
-- [Embedded Systems](#embedded-systems)
-- [Real time system evaluation](#real-time-system-evaluation)
-- [Computer Organization and Architecture](#computer-organization-and-architecture)
-- [Security](#security)
-- [Computer Graphics](#computer-graphics)
-- [Image Processing and Computer Vision](#image-processing-and-computer-vision)
-- [Computational Physics](#computational-physics)
-- [Computational Biology](#computational-biology)
-- [Quantum Computing](#quantum-computing)
-- [Robotics](#robotics)
-- [Computational Finance](#computational-finance)
-- [Blockchain Development](#blockchain-development)
-- [Misc](#misc)
+- [Computer Science courses with video lectures](#computer-science-courses-with-video-lectures)
+  - [Introduction](#introduction)
+  - [Courses](#courses)
+    - [Introduction to Computer Science](#introduction-to-computer-science)
+    - [Data Structures and Algorithms](#data-structures-and-algorithms)
+    - [Systems Programming](#systems-programming)
+    - [Database Systems](#database-systems)
+    - [Software Engineering](#software-engineering)
+    - [Artificial Intelligence](#artificial-intelligence)
+    - [Machine Learning](#machine-learning)
+    - [Computer Networks](#computer-networks)
+    - [Math for Computer Scientist](#math-for-computer-scientist)
+    - [Web Programming and Internet Technologies](#web-programming-and-internet-technologies)
+    - [Theoretical CS and Programming Languages](#theoretical-cs-and-programming-languages)
+    - [Embedded Systems](#embedded-systems)
+    - [Real time system evaluation](#real-time-system-evaluation)
+    - [Computer Organization and Architecture](#computer-organization-and-architecture)
+    - [Security](#security)
+    - [Computer Graphics](#computer-graphics)
+    - [Image Processing and Computer Vision](#image-processing-and-computer-vision)
+    - [Computational Physics](#computational-physics)
+    - [Computational Biology](#computational-biology)
+    - [Quantum Computing](#quantum-computing)
+    - [Robotics](#robotics)
+    - [Computational Finance](#computational-finance)
+    - [Blockchain Development](#blockchain-development)
+    - [Misc](#misc)
 
 ## Courses
 
@@ -126,6 +129,7 @@ Table of Contents
 - [Parallel Algorithm - IIT Kanpur](https://nptel.ac.in/courses/106104120/)
 - [Graph Theory - IISC Bangalore](https://nptel.ac.in/courses/106108054/)
 - [Data Structures - mycodeschool](https://www.youtube.com/watch?v=92S4zgXN17o&list=PL2_aWCzGMAwI3W_JlcBbtYTwiQSsOTa6P)
+- [Data Structures Easy to Advanced Course - Full Tutorial from a Google Engineer](https://www.youtube.com/watch?v=RBSGKlAvoiM&t=2177s&ab_channel=freeCodeCamp.org)
 
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