LOL you have fallen in the trap of IAF.
IF you actually remember few things
A) What IAF was losing was big quantity of MiG-21 and these were causing short falls
MiG-21 were mainly interceptors and not medium range or long range strike.
B) Strike planes, we are still using Jaguars and Mirages.we did not retire them
So how exactly did IAF come from replacing its single engine interceptors with Rafales?
During Kargil war, IAF was caught with its pants down, literally, and they thought to have a face saver and wanted to buy the obsolete Mirage 2000 in numbers. I am using the word "obsolete" because even France had stopped its production, thus IAF was like..We shall be replacing MiG-21 interceptor with a plane which is somewhat better.
This is a good idea.
But since you are the one talking of weights, MiG-21.. light weight interceptor, Mirage 2000 medium weight MRCA
Then when AK Anthony said that they cannot order 126 Mirage 2000 just like that but had to be RFP and that became MRCA competition. Dassault went with Mirage 2000, EADS (then it was EADS) went with Eurofighter and SAAB with Gripen. Ultimately if the competition went through, Dassault realised that it cannot win against these and F-16 and F/A-18 or MiG-35 in terms of performance or price. And so then Dassault suddenly changed its entry from M2K to Rafale
Now like I asked India was retiring its light single engine interceptor.. why was it trying to replace it by Medium weight Mirage?
Surely Mirage is better performer and Rafale is better performer than Mirage and Su-30 MKI is way better performer than Rafale.,
The problem is that IAF suddenly after seeing Rafale wanted more of it, perhaps there were a lot of kickbacks involved. But the way the competition was held, it made sure that the cheaper planes were eliminated first. And then we had option to select from two expensive planes (of course based on performance) There are news of how Rafale bid was incomplete and thus leaving space for "management"
So you see the requirement was to replace 126 MiG-21 and since when did MiG-21 became medium weight class? IAF has classified MiG-21 as Light class interceptor.
Also one of the reason to go for MRCA was that there was a big delay in Tejas and IAF saw its nos dwindling and thought buying 126 planes would be a good stop gap measure as there was delay in Tejas.
Please go through history of MRCA competition and try not to fall in the stupid concept of IAF. It would have been foolish for IAF to replace MiG-21 by Su-30 MKI because they have different roles, but country like India having short range interceptor and long range air dominance planes makes more sense when facing china rather than Face with Rafale which really cannot hit important targets in China effectively.
We only ordered 36 Rafales of a requirement of 126, that's why the SE MMRCA came in, to cover the rest.
The higher thrust engine in LCA was suppose to make it reach the planned flight performance, NOT to make it an MMRCA competitor. It still was aimed at 7+1 hardpoints, it still were searching for space for avionics and EW...