Whirlpool — defective refrigerator supplied by company

We have bought the fridge from vijay sales, ulhasnagar, on 31.12.2011for rs.19500/- they gave us fridge with dent on body which we never used and they replaced with another one . the day we bought it has been giving us many problems there is constant leakage of water, which their engineer from pune also couldn't rectify in between twice their mechanic changed the censor then ultimately they agreed that this problem can not be rectify, because there was some manufacturing defect in it till date the floor is always spread with water which comes out of fridge.I have all the record of email which that company sent. agreeing that repairing not possible.they were aware that there is manufacturing defect in the product Kindly help me out. Kailash Choudhary 604, Gangotri Apt, Opp Post office, Ulhasnagar 421001 My Cont No [protected]