निम्नलिखित में से कौन सी महासागरीय घटना बड़े जहाजों को बंदरगाहों में सुरक्षित रूप से नौसंचालन करने में सहायता करती 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?