गर्मियों के दौरान, बर्फ पिघलने से नदी-नाले भर जाते हैं, जिससे हिमाचल प्रदेश के किन पारंपरिक सिंचाई चैनलों (गुरुत्वाकर्षण आधारित) को भरने में मदद मिलती 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?