निम्नलिखित में से कौन सा भारतीय उपमहाद्वीप में उपयोग की जाने वाली सबसे प्रारंभिक अज्ञात (अपठित) लिपि का प्रतिनिधित्व करता 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?