Reliance Communications — recharge problem

Address:

Mumbai City, Maharashtra

Sir, i recharge my sim with rs 90.in rs 90 company promis to give 1gb 3g data for 28 days. But when i recharge that amount company only give 2gb data for 2days. I recharge my account after message which provided by reliance.in confirmation also mention that congratulation you get 1gb data per day for 28days. Sir please help me in this issue. Company always fraude with his customer.