India will not allow its territory to be invaded by anyone, asserting that China may be a powerful country but India is not a weak nation either said Army Chief Gen Bipin Rawat.Mr Rawat also said that the time had come for India to shift focus to its northern border.Further said that there is also need to focus strengthening ties with neighbors including Afghanistan, Nepal, Sri Lanka and Bhutan.Besides, he also said that army is also focusing on further strengthening our cyber capabilities to deal with adversaries.