Prelims gyaan almost free

sachin.pdfsachin.pdf  Hello guys, I'm launching a prelims mentorship for those who face difficulty in prelims.
If you want some guidance can look at it. I have myself cleared pre 2017,2019,2020,2021 in general.

Gave interview this year, so have a lot of ample time now, since not giving attempt next year, so thought to contribute to aspirants clan.