बड़े बांधों का एक प्रमुख प्रतिकूल पर्यावरणीय प्रभाव निम्नलिखित में से किसे माना 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?