Is B.sc best to be a IAS. for non-medical student. Except maths(little interest) i m excellent in all other subjects. suggest me PHALGUNI

This is PHALGUNI SHARMA 12th(pass out) non-medical. I can get more than 85% with super physics, chemistry but have little interest in maths. I really want to be an I.A.S. Please suggest me for my glowing carier. As soon as possible give answer. THANKS