2010-11 में शुरू की गई 'पूर्वी भारत में हरित क्रांति लाना' ('BGREI') योजना मुख्य रूप से किस खाद्यान्न आधारित फसल प्रणाली को संबोधित करती 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?