Fast Deals Today — Wrong product delivered & not replaced yet ,some not delivered yet

I have purchased some products from fast deals today in the month of march 2016, at that time I used to have a talk with Mr.Abhinav Kashyab or Miss.Ishika, but got the wrong & useless items .I complaint many time on the phone to them, the phone number were [protected]/[protected] but not got any solution of it till today . They also told me that I have won a Nissan car as prize for the shopping I did as I completed my hundred points for the car they took Rs.30, 000/- as the registration amount and told that the car will be given to me on 10th August2016 for that they will call me, but I didn't got that also till today . Whenever I am calling them they are not giving any satisfactory answer to me .Tell me some solution for my problem .