Every serious aspirant know that UPSC in Science and tech port | Upsc videos Backup
Every serious aspirant know that UPSC in Science and tech portion only asks questions from current affairs.
We have started a new series for 2022.
You will not have to look anywhere else for Science and tech.
https://t.me/joinchat/0KUSbQymnyYxNGVl
Only serious aspirant join this channel