निम्नलिखित में से कौन सा प्रमुख प्राचीन महाजनपद मुख्य रूप से वर्तमान बिहार में स्थित था?

The arrival of which commission in India triggered widespread protests, including mass hartals across the country in 1928?

Which of the following leaders was instrumental in initiating and leading India’s struggle for independence?