किस राजपूत शासक ने 'जिच मुहम्मदशाही' नामक आँकड़ों का समूह (सारणी) बनाया जिससे लोग खगोल संबंधी अवलोकन कर सकें?

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?