Airtel Prepaid
No benefit of tarrif vouche

Sir/ madam,

i recharged with a special tariff voucher of Rs 28 on Airtel prepaid, which is suppose to work during night. i got the benefit for few days, but then suddenly, i am not getting any benefit of that recharge. on asking the customer care executive, in am being given fake deadlines and fake solution assurance.

what should i do? please help...