UPSC CSE - GS
Free courses
Lesson 3 of 5 • 17 upvotes • 5:42mins
Technology and Engineering
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