Volkswagen India — mira road, kashimira service center for my polo has flirt for that inquiries

My polo i had given for service in authorised service center in kashimira and den in that time my car has flirt in water so wen i had given my car only the car has to been service and now my car is not running properly the car was like i put in the scrap base but den also i they put all accessories without my permission and the bill amount became of 3, 15, 648 den y should i pay this was my problem but den also i told ok ill pay for it den i had paid my amount den also the car is not running not getting start also they r saying now u had to put injector and now also he wants 66000 more for work den y should ill pay now this was my mistake i had given for service at that time my car was running and now the car is not running its my mistake so please take my request and i m paying money for dat so please take a action quickly and my car no. Is mh.04. Ge.4672 polo comfort line (White).