निम्नलिखित में से कौन-सा अक्षर-समूह प्रश्नवाचक चिह्न (?) को प्रतिस्थापित करेगा और निम्नलिखित अक्षर-समूह श्रृंखला को पूरा करेगा? KU, NT, PS, SR, UQ, ?

Which Indian independence movement leader was primarily known for his philosophy and practice of non-violent civil disobedience?

Who gave the call for 'Do or Die' during the Quit India Movement in 1942?

Which of the following revolutionary pairs were imprisoned together in Cellular Jail and faced harsh conditions, contributing significantly to the Indian independence movement?