Reliance Fresh — incorrect billing of product

Address:

Khordha, Odisha, 751003

While billing a product bambino gulab jamun mix the offer given by company is buy onr and get one free. Where as in billing system it not getting reflected in the system and the counter person is delaying the billing process for the clarification of offer despite of it being clearly printed. Even your branch head is non co operating. Kindly provide the reason of inconvience and incorrect entry of product.