Interesting read. Technically, this would be a cryptocurrency, but it's important to note that it would still be controlled by the RBI, and will be backed by fiat currencies.
Essentially, their vision here isn't anything positive to do with bitcoin, or even bitcoin regulation for that matter. What they are looking into is a better way to print their fiat and manage the fiat economy, with an on-chain cryptocurrency that they still retain control to.
It would be no different to Venezuela's attempt at a national crypto, like the Petro, or even any fiat that is stored on debit cards - except it's on a blockchain. So I wouldn't really say that it's positive nor negative to bitcoin.
What is interesting to me is that they are still trying to enforce their sanctions on bitcoin, which is ridiculous while they try to develop their own crypto. They even seem to be trying to regulate P2P trades, which will prove to be much harder than they think:
Calling for coordination with global regulators to tackle the challenges posed by cryptocurrencies, the bank announced it would meanwhile be keeping a close watch on:
“[Crypto] trading [that] shifts from exchanges to peer-to-peer mode, which may also involve increased usage of cash.