You are blaming China for something that's not its fault.
First of all, China does not own BRICS or SCO. To kick India out, there will be due process all the members have to go through.
Then you should know that India, equally as China, is a founding member of the BRICS. China has no greater organizational power than India.
For SCO, it was widely believed that Russia pulled India in to balance out China's influence. Do you honestly think that China, without Russia's support, would even be able to start the process for revoking India's membership in SCO?
Lastly but not the least, as long as India still wants to stay in BRICS and SCO, it will need to behave, even if pretending, in ways that at the minimum are acceptable to all the other members. That is like having some leashes on India and better than letting it go loose in the wild.