Reliance Communications — recover phone number - gsm

Address:

600081

I working in abroad so last few months i am not in india, so many years using my reliance number [protected], that number in all my documents. I am unable to change my number in all place now my number is no service so please consider my request as important, please give me solution to get my number back.
My mail id : [protected]@gmail.com
My temporary number: [protected]