भारतीय कृषि में मात्रा के हिसाब से किस प्रकार के रासायनिक उर्वरक की खपत सर्वाधिक होती 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?