नगर पालिकाओं में पानी का क्लोरीनीकरण (Chlorination) व्यापक रूप से अपनाया जाता है क्योंकि उन्नत उपचारों की तुलना में यह पानी को शुद्ध करने की एक _______ विधि 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?