पृथ्वी के भीतर फंसी ऊष्मा से प्राप्त ऊर्जा को _________ ऊर्जा के रूप में जाना 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?