Idea
High charges before the expiry date of vouche

I have gang sim of Idea..my value voucher's expiry date is 5th january.in this voucher i hv charged 10 paisa/min gang to gang before 5pm &after 10 pm, and not charged any daily fix charge, which is 1 rs.bt yesterday i'v been charged 50p/min gang to gang before 5 pm... plz solve my problem.my no. is 9887664042.

thanking u