नर्मदा और तापी दोनों नदियाँ खंभात की खाड़ी के माध्यम से मुख्य रूप से किस तट के सहारे अरब सागर में प्रवेश करती हैं?

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?