Mumbaikars!!how much can i save per month at mumbai??for a average bachelor?

if i earn 25000 plus per month how much can i save???i aint a lavish spender..but not so stingy also..need help!!moreover i dunno hindi and i am afraid how will people look over me???people says mumbai s friendly and i wanna know more about de city?/range,entertainment,people,securit… problems,travel,traffic,girls(????),life at mumbai(?!?!/),and most importantly cost of living,