authorised dealer is cheting me admi kiska vishwas kare or kiska nahi

i booked indica vista terra tdi at vivek automobiles mohan co.op ind.area delhi on ist week of may09my loan approved from hdfc on 15.5.09 the sales excutive mr.dhirender choudhery&manager mr.khalid told me that come at5pm i will go at 1pm there i saw the worker are painted full right side of that car they will give to me isay to them i will not taken this car then they are told me that wait for 1month i cancel my booking&refund my down payment back but bank loan ammount will not return earlier they are cheating me&waist my time this is very big tension for me. manoj babbar preet vihar g-131 delhi-110092mobile-9810083596