My work indicated that if we consider smaller and smaller black holes, at some stage, the properties of black holes become indistinguishable from those of elementary particles.
One of the main successes of string theory is that it has been able to unify the general theory of relativity, which describes gravity, and quantum mechanics.
Good teachers have joined Presidency from different parts of the country and even abroad. We have got idealistic teachers, and we are relying on their idealism. But state universities pay their teachers less than the central ones. If salary is not on a par with central institutes, teachers would tend to leave for those places.