Which of the following is not included in the Doctrine of Panchsheel, 1954 ?

The Five Principles of Peaceful Coexistence (Panchsheel), enshrined in the Sino-Indian Agreement on Trade and Intercourse between the Tibet region of China and India signed on 29 April 1954, comprise mutual respect for territorial integrity and sovereignty, mutual non-aggression, mutual non-interference in internal affairs, equality and mutual benefit, and peaceful coexistence; they contain no clause on nuclear weapons.