निम्नलिखित में से कौन शास्त्रीय वाद्य यंत्र, संतूर के विश्व प्रसिद्ध प्रतिपादक हैं?

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?