वह कौन सा तत्व है जो समुद्र में प्रचुर मात्रा में पाया जाता है और जिसकी कमी से घेंघा हो सकता है?

The Dandi March, also known as the Salt Satyagraha, was led by which influential leader?

Which act formally granted independence to India, marking the end of British rule?

Who was the key figure in establishing the Indian National Congress?