sir, i am an engineering student in bit mesra i want to appear for civil services exams but i am not sure about subject choice plz help me in this regard and preparation guidelines......

HI Sidharth, You can access 'www.upsc.gov.in' for details. The CS exam is a three stage exam divided into _Preleminary exam which is objective type and roughly ten times the candidates as per the vacanices are called for the second stage exam Mains which is descriptive type carrying 2000 marks and