निम्नलिखित में से खनिजों का कौन सा समूह मानव हड्डियों के भीतर पाए जाने वाले प्रमुख संरचनात्मक घटक 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?