Hii Krisna,
first of all you should take admission in such a college where attendence re so necessary.
and choose your subjet what you want.
mostly students choose History honers.
and then take admission in any recognised coaching center which have reular batch for UPSC.
start reading newspaper from today.
always be connected with social media and news channels.
I am provin you a linkhere the basic tips for preparation are given by our experts-
https://competition.careers360.com/articles/how-prepare-for-upsc-civil-services-interview
hope it will be helpfull for you
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