[Resolved]  Tata Indicom — loss of promotional balance

i had puchased a new mobile of tata indicom, with this mobile i received 1000 free minutes promotional balance, i have not used this promotional balance, but now balance not showing in my account, i talked to customer care executice he told me that promotional balance has gone due to withdrawal of sim from mobile phone, but i have not withdrawn sim from mobile phone, and i have not used this promotional balance also, i purchased this mobile only for this scheme in Rs 1600 i received promotional balance of 1000 minutes.