Tata Docomo — tata docomo number showing invalid

Address:Thane, Maharashtra, 400607

I had been using one tata docomo number since long as i have been transferred to some other location for shorter period of time and when i tried recharging, i found my sim number is showing as invalid and i have linked so many accounts to this number, without informing me how come they have stopped the service and when i m trying to call customer care i am not able to call even as message is popping up mobile service not registered on network, kindly help me out in re activation of sim as its is very important for me.
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Sim blocked need puk
My docomo sim is not working and it's showing sim not provision
I wanted to port my number to another service provider however I am unable to send Port message to 1900 from my number. I have tried with sufficient balance Rs. 26.66

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