Godrej Lock — defective lock

Address:

West Bengal

I purchased Godrej lock for main door one and half year before, but unfortunately the same is not working properly. As a result, I am facing lots of trouble as per as security is concern. The shopkeeper( from which I bought the lock) advises me to purchase new one. I am furnishing my address below :

Pradip Chakraborty
1/7A, Azadgarh,
PO-Regent Park,
Kolkata-700040