how to basic preparation to upsc exam prilem, main,& interview.

Read a lot of book , keep yourself updated on current affairs and news. Be regular focus towards your studies.

start genral study book of tata macgraw hil or spectrum for both papaers I and II

hi Omkar, if you want go for some coaching or good study material.there are very good centres in delhi. go for that. keep udated with the lates news.do read the HINDU newspaper daily. all the best