-lastly, As far as Pak-FA goes, PAF is already in negotiations for FC-31 as our next generation project .. so, the deal as to, who engages who ... or which jet is meant to negate the advantages of a certain jet from the other side ... it would be FC-31 for PAF against Pak-FA for IAF ..
As far as pressure for more Pak-Fa's ... the problem is ... the Russians have already witnessed India screwing them out of the MMRCA --- then we had the Indians going for US equipment ... they can already see the writing on the wall -- where IAF is going for more western equipment ... now that the Indian economy is expanding ..
In the end, they may even use it as a pressure tactic, but the bigger picture is.. Russia looking in to other markets now that India is diversifying its suppliers ...