Samsung India Electronics Pvt Ltd — cheque lost in drop box

i dropped two cheques of total amount Rs. 32000 on 1 oct. 2008 in your drop box in Hazratganz, Lucknow.The cheque is on my name. I have no account in HDFC Bank. but It was dropped because HDFC was written on the bank and was issued by my company for the month of june and july. My friend is daily going to your bank but they are continously denying or giving next day time. They are denying of having any cheque of mine. I am frustrated now and want your help in this matter. My big money is onhold. Kindly help