All I know is that money was successfully sent to the merchant provided by the bc casino and i didn't receive any refund. I have already provided bc casino my bank statement every time during inquiry that I didn't receive any refund.
And since you mentioned it has been transferred to another casino please provide me the name of that casino I will also contact them
Well, the screenshot that you provided yourself told us otherwise. Even their system already said that the deposit failed because you entered a wrong merchant details.

And unfortunately I can't tell the name of the casino or the company, as that's all what my contact informed me: that upon their investigation to INR department, the department said the fund was credited to other company, not to BC.
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What if the merchant is the scammer here? I think we have seen some scammer merchants before. A lot of people in my country makes deposit via Bkash, Nagad and other local channels and often they get scammed - because the merchant is scammer, not the casino. Now it is up to the casino if they want to investigate the case.
Quite possible. BC had a prior situation with a bad merchants that scammed both sides. I honestly don't understand how payment system works in India, as --in my country-- things always happen and done between the account holder and the company, never through a third party.