i m pallavi.i m studing in ty bsc agribiotech.i want to become an ias officer.but i m confused about that should i complete my msc first or directly prepare for exam.and i m from a small village of maharashtra so is difficult for me ? which language should i selected for upsc? and can i give siac in marathi language? is this exam is only for preparation of upsc exam?(like a class).