Maruti Suzuki — refund

Sir I booked a ciaz zdi on 19/3/15 at CM AUTO SALES CHANDIGARH at the advance of RS 21000 but I didn't purchased the car from them as their deal was not transparent they didn't filled the customer docket according to the commitments made verbally and didn't told me about the exchange bonus on old car with the new SALES the dealership committed the value of TWO LAC THIRTY FIVE THOUSAND FOR my old car with out telling me about the exchange bonus of RS 20000 offered by the Maruti Suzuki I up dated my self from net the dealership is not refunding my money and making sily excuse that boss is not comming hence no one is available to sign the cheque I filed my application almost twenty five days back approx as they committed me the refund in two working days