LCA was delayed primarily because of the nuclear tests and the resulting sanctions. Otherwise it is a wonderful fighter.
Even now the problem is the engine that was blocked after sanctions. The indigenously developed Kaveri, while decent, is not really good enough. Considering, all the companies that develop aircraft jet engines have been doing it for more that 50yrs, it is obvious we will take some time to perfect it. But, we are not too far behind.
Dhruv - our combat helicopter, AJT - Advanced Jet Trainer, and some of our avionics are all things to be proud of.