Gaurav Gupta
Feb 25, 2022 • 1h
Mahendra Singh
Aug 25, 2023 • 2h
Tamanna Chaudhary
Apr 30, 2022 • 1h 30m
Shailendra Tanwar
Nov 23, 2020 • 1h 30m
Aman Kumar Singh
Aug 29, 2021 • 30m
Sharad Chandra
Aug 8, 2021 • 50m
Gaurav Verma
Sep 2, 2020 • 1h
Sudharshan R
Mar 27, 2021 • 1h
28K followers • Physics
Apr 12, 2022 • 1h • 288 views
Important to all