Big Bazaar / Futurebazaar / Future Retail / Hometown — 1000 coupons deactivated

Address: Kurnool

My 2 big bazar coupons simply deactivated ..out of 4 i took they intentionally deactivated 2 coupons
They are not activating or at least they are not telling reason for deactivating. I jave raised Service Ref No. BB[protected] which they are closed and even customer support also not giving any solution.this absoluting cheating by big bazaar. Please dont beleive them.