औद्योगिक और अस्पताल के कचरे को खतरनाक माना जाता है क्योंकि मुख्य रूप से उनमें _________ पदार्थ होते 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?