Videocon Mobile Service — account balance not refund

Address:

Indore, Madhya Pradesh

i m having sim card of videocon mobile service.and on this no. some messages are received .the details of messages are-free talktime of rs10. when u use balance of rs 5 u get refund of10.This message is received on 15, 16, 17, 18may.but balance is refund only once.and comany c-care exe. told me, we have not send u messages on 15may or anyday.and not give correct response.