im in 12th wiyh sciense stream in st ansekms sr sec school ajmer n i want to do ias after 12th what should i do?

Dear Mayank, Choose subjects of your interest, Get good marks in class 12th, for IAS one has to complete Graduation (In any stream i.e. arts/science/commerce etc) AGE LIMIT 1)21 years must be completed by the 1st AUGUST of that year, 2)GENERAL-30,OBC-33,SC/ST-35; EX-SERVICEMEN WILL GET 5 YEARS EXEM