UPSC CSE - GS
Free courses
Lesson 5 of 5 • 18 upvotes • 3:45mins
Test your Knowledge
5 lessons • 32m
Overview (What Happened in Science and Technology in 2017? (in Hindi)
2:20mins
How Much Water Do We Eat? (in Hindi)
13:28mins
What Happened in Science and Technology in 2017? (in Hindi)
5:42mins
Matter and Energy (in Hindi)
7:05mins
Test Your Knowledge (in Hindi)
3:45mins