Reliance Trends — Product amount wrongly charged

Address:

Paharia varanasi

Today i bought item of amount Rs. 6800/- from one of store of reliance trends, paharia varanasi UP where one of john player shirt was hanging with 50% discount and same was also confirmed by sell man but at billing counter trends staff denied to give discount and said these item is new arrival. Then i spoken to trends manager he speak very rudely and asked me to go again and check the rate then i again went to floor where john player start was hanging and i again asked the staff standing there he again confirmed me that there is fifty percent discount on the said product but i was charged fulll amount on the product. Kindly check and provide me compensation.