HDFC Bank — DECLINE OF CREDIT CARD WITHOUT ANY REASON

hi this is sushil.r.mishra,
i have recently applied for c.c. 15 days ago, a telecaller called me up named dimple([protected]) and said ur gold card have been approved for which u only have to give ur pancard only and nmo other documentations,
later on i caled up status check but they said it has been declined due to some resi verification but i am staying from last 3 yrs in naigaon west with my relatives and no one came for such verification can u pls check the reason y it has been declined. and if it is declined y it was earlier said that ur card had been aproved.

my contact no. is [protected]/[protected]. my dob is 17/07/1986. pls call me and also give the revert on my email id [protected]@yahoo.com

awaiting for ur response pls do the needful for the same.