Tata Docomo — OverCharging Call rate according to plan

Address:

Bangalore, Karnataka

Respected Sir
I buy new Tata Docomo SIM mobile number [protected] few days before, in this I got plan of 1.2 paise per 2 seconds for STD & Loc for 90 days
I got this facility 4 days only & Now they charging for each call diffrent call rate
for 84 seconds they charged 1.68 rupees but It's real charged is 0.42 paise only.
for 93 seconds they charged 1.01 rupees rupees but It's real charged is 0.47 paise only.
I called in 198 and 121 but they not responding.
Please correct my call rate as soon as possible.

Regards & Thanks
Rajesh Kumar Maurya
[protected]