RBI release a notice to ban banks dealing with crypto exchanges from coming 6 June ,While we can hope that the RBI will reconsider their stance, it would be helpful for them to understand, that this decision can impact the billions  of people who have already invested in various cryptos. Also,  will prompt users to move to the cash market, thus limiting regular honest businesses and individuals who have been using banking partners to transact or trade in cryptos and convert them to fiat

Yes, group mining is profitable but you have to join right pool . Sometime contributor  didn't get there share because of fraud so first do sufficient research about pool.