Which optional subject is best for me geography or political science? Tagged: optional subject for ias mains exams This topic has 0 replies, 1 voice, and was last updated 4 years, 11 months ago by nisha roy. Viewing 1 post (of 1 total) Author Posts November 4, 2019 at 1:30 am #2075 nisha royParticipant I am from a commerce background so confused… Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In