MTS Mobile — not true services,,,

Address:

Tamil Nadu

i am mts customer for past 1 yr, in the scheme of MTS TO MTS FREE sheme.
but from before 1 month , they are deducted sum charges for using mts to mts.
i was report to customer care, but they are told, u must pay rs.200/- for continue free service for 6 month only,
i was pay the amount, but no use it, they are deducted charges for using mts to mts...