Vodafone India — charges deducted without any reason

Hi,
I am having prepaid mobile no [protected]. Since two days vodafone deducting 20+ rs from my recharge amount. Yesterday i called their customer care number they i played game but i haven't played any game. They refunded my amount but not complete amount and because of their i had to call their customer care number they deducted 50 paisa. Now today same thing happened 20+ amount got deducted now for refund again i have to call them again they will not return complete amount also charge their charges to calling them. Please take action i will also be filing case in consumer court.