'खासी एवं गारो' भाषा बोलने वाली जनसंख्या मुख्य रूप से भारत के किस राज्य में पाई जाती 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?