Idea Cellular — Charged for period post discontinuation of services

Address:	Mumbai City, Maharashtra, 400005
Website:	idea cellular

I was using idea post paid services for 4-5 years (Vide mb no [protected]) and this feb'18 i ported out from idea (Mumbai) to other telecom and paid dues before portability of my mobile no. But now idea company comes back and states that an amount of rs.600 is due towards their gprs services for period post porting to other company, tried reasoning with the company/customer care officials but my request has been declined and on other hand few people from their recovery/legal are threatening me with initiating legal action causing agony and mental torture.

I've asked them to charge me for period under usage proportionately but idea refuses to agree on the same. The question is am i supposed to pay for services unused and for period when my connection is terminated under portability. 2. I as a customer am not inclined for paying for services not rendered to me and am feeling cheated despite having good repayment record and that too coming a reputed telecom.

I hereby request you to kindly do justice on ethical / moral grounds.