Tata Motors — I'm complaining regarding fraudulent in Malda Tata lexican motor showroom

Address:

Narayanpur ,Malda ,Westbengal

I'm a Doctor Rahul Sarkar.Recently bought Tata Nexon XZ+ Kaziranga Edition from Malda Lexican motor tata car showroom, Westbengal.I had a car loan account of my previous car which was Hyundai i20 Asta 2019.I had a deal with Executive manager of Tata lexican motor Malda that he will Sell my previous car by 6 lakh and close my previous car loan account .After dealing this i agreed with him and booked my recent Tata Nexon XZ+ Kaziranga Edition even i handed over my old car to Tata lexican motor 15 days prior delivery of my new car.But recently they failed to fulfill my deal and they are delaying to close my loan account.i have already paid extra loan amount for previous car loan.please look into this matter.otherwise i have to file a complaint to consumer court.