Big Bazaar — Re-pay

Yesterday i have been at big bazaar ,cement road chennai. to procure the items for the bill amount Rs 785 , First i gave my debit card of to sweep r .He twice entered my number in sweep machine ,he conformed me later there is decline in connection then i payed in the form of cash , Today morning crossed checked my balance Rs 785 as been detected . Secondly i have not sign the debit card receipt of the amount Rs 785
You are request to repay me the amount bank as detected Rs 785