जब दो वस्तुओं के बीच मांग की आड़ी लोच (Cross-price elasticity) ऋणात्मक होती है, तो वस्तुओं को किस रूप में वर्गीकृत किया जाता 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?