Tata Docomo — Sim blocked without informing

Address:Bangalore, Karnataka, 560057

Hi,
My mother was using Tata Docomo sim since many years and she had given the same number for all her bank accounts and gas booking. On 28th March 2016 she was unable to do out going calls or message but from 29th March they blocked her sim. now incoming also not coming. If we go and ask in docomo office the staffs are telling that the sim is deactivated and if you want to activate you have to go for post paid. This is not at all face. now we need to change the number in banks etc. without intimating anything how can they deactivate or block some number. Please help me and solve my issue
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Dear Customer,

Kindly provide us with your 10 Digit Tata Docomo number, your alternate contact number and email ID so that we can get in touch with you.

Thanks and regards,
Customer Care
Tata Docomo.
Dear Customer,

Since we have not received any details from your end, we assume that your issue has been resolved. In future, should you require any assistance, we request you to call Tata Docomo helpline on[protected] or visit the live chat link: http://c1web1.saas.talismaonline.com/chatc1/tatadocomo.html Alternatively you can mail us your concern at [protected]@tatadocomo.com.

Thanks and regards
Customer Care
Tata Docomo
Sharu M's [Complaint's author] reply, May 15, 2017
My issue is not resolved and we changed sim itself. We also changed number in all documents. Now I don't want this number.
Thanks for the concern.

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