K.R. Narayanan, Director of China Division at Ministry of External Affairs, writes that the explosion of the first nuclear bomb by China will alter the political balance of Asia and the world and development of nuclear weapons by India can be justified and beneficial for the country and the international system as well.

The Indian Ministry of Defense evaluated the impact of the Chinese nuclear explosion and reported that the more immediate and real Chinese threat comes from conventional arms. The Chinese nuclear test poses a long term military threat, but its strategic implication and India's consequent actions require constant review.

The note contains articles on the peaceful utilization of atomic energy and other achievements in nuclear science by China, which were shown to Chinese Premier Zhou Enlai by Prime Minister Nehru.

An excerpt of a document recovered from the Air India 101 crash assessing China's military capabilities.

The note describes India's difficulty in the assessment of Chinese defense production due to the absence of official statistics.

China’s stance on Asian collective security and India-Soviet relations

China’s stance towards India and Pakistan, and a Pakistani proposal for a nuclear-free zone in South Asia