Samsung — irresponsible dealers

Address:

Kurnool, Andhra Pradesh

hello sir, i buy ed a samsung c3312 champ delux mobile in BIG C on may 28- 2012. 10 days ago i dropped my mobile from cot and display is broken when i gave it to the dealer he said warranty doersnt exist for the breakage and i said fine gave it to the repair they charged 800rs bt after three days they are telling that there is problem in touch which costs 1100. touch was perfect when i gave it to them and as i have warranty they are even not replying politely and not repairing it under warranty
please help me