India doing those stuff
Sure Aksai Chin and Tibet are in your radar, but New Delhi and virtually all cities in northern India are under Chinese surveillance. You guys can try to invade Tibet ... but if China cuts off the Siliguri corridor, its game over for the Indian state. So please tread more carefully with your statements.
siliiguri corridor is in the plains. you need good luck to hold on to it.
you will be subject to Indian heavy armored attacks.