प्रतिवर्ष आयोजित होने वाला 'चेम्बई संगीतोत्सव' (संगीत समारोह) कहाँ आयोजित किया जाता है?

The arrival of which commission in India triggered widespread protests, including mass hartals across the country in 1928?

Which of the following leaders was instrumental in initiating and leading India’s struggle for independence?