This agreement was formally signed by the dignitaries of India and China on 29 April 1954. This agreement led India to lose its buffer zone of Tibet to its hostile neighbour. This agreement implied that both countries would adhere to the principles of peaceful co-existence, non-aggression, non-interference, mutual respect, and equality. Ironically, China invaded and annexed Tibet in the 1962 Sino-Indian war, claiming its sovereignty over the region. Identify the agreement mentioned above.