Titan Company — cashback not received

Address:	Panipat, Haryana, 132140
Website:	HDFC CUSTOMER CARE

Sir, i am a tanishq customer, i made a purchase of gold jewelry of amount of approx 51000 at panipat on date 17 oct 2017. Tanishq make a big advertising on news paper that purchasing of more than 35000 rs at tanishq using hdfc credit card eligible for 5% cash back. I avail that offer but no cash back received in my card account. I also called to hdfc customer care they told me that tanishq denise the offer. This is very bad, it's means tanishq is a cheater. I am very disappointed from a big brand of tata.
My name devki nandan gupta & encircle id is[protected]
And contact number is
[protected]