पूर्वी तट पर स्थित प्रसिद्ध प्राचीन बंदरगाह ताम्रलिप्ति किस राजवंश के काल में अपने महत्व के शिखर पर पहुँचा था?

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?