The Russians are always willing to sell their best for a good price. But you will have to do the beta testing on it.
The West will test it before they sell it to you.
The thing is, when India buys jets from Russia, other than an initial batch of a dozen or so, the bulk of the planes are made in India through license.
That is partly the reason why the planes usually have a Russian-designed airframe, with Western (French, British and Israeli) and Indian avionics. The planes are not what would be available to any other country that uses Russian aircraft. Even China won’t be able to do so, because of the various restrictions China faces in tech transfers from these countries.