My excise refund money is not back

I purchase a car commercial number From T.R. Sawhney motors pvt. ltd sahibabad, Ghaziabad. Mr. Rishabh Was Sales Person and Sales Manager is Sunil Khurana. My excersice money is not refunded by mistake of sales person. because sales person says me excerise money form fill after 90 days of purchase car but real policy is excerise refund only under 90 days of vehicle purchase. but sales person fill my form after 90 days so my form was rejected due to sales person mistake. i want to back my money that is loss mistake by your sales person . pls take nacessary action. my refund my money back. Mr. Rishbh gave me wrong information. so pls help me to refund my money