Its about having a better engine,everything matters.
And seriously we are a huge huge amount behind.
U see this engine??
YF-75 - Wikipedia, the free encyclopedia
It was made by china in 1994,,,exactly 20 years back with almost same specs as our ce-7.5
And now they use this monster
YF-77 - Wikipedia, the free encyclopedia
They made this in 2007,,,7 years back meaning they are on to something even bigger than this.
Look at the japanese one
LE-7 - Wikipedia, the free encyclopedia
Dude we are nowhere in the picture,,,while we catch up they will be on to something even bigger
And i am yet to post american ,russian and european engines here,,,damn that would be utter embarrasment