The correct options are
A It is one of the principles defining India's foreign policy.
B Jawaharlal Nehru was the architect of this policy.
India adopted the Non-Alignment Policy immediately after the Second World War. It was a time when USA and USSR emerged as major superpowers and expected every other country to align with either of them. As per the Non-Alignment Policy, India decided to maintain friendly ties with all countries rather than choosing any side or making any enemies.