How to exchange India Mobile / Digital TV Prepaid Card for Bitcoin?

https://imgur.com/a/9t0TNbz

I have Nepal / India / Sri Lanka / Banladesh Mobile Prepaid Card (e-pin) and I want to exchange to Bitcoin.
Is there any service for this? Or any trust dealer want to buy ?
I will agree to exchange with rate 70%
How to exchange India Prepaid Card Mobile for Bitcoin?

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