गंगा नदी मुख्य रूप से देवप्रयाग में किन दो प्रमुख हिमालयी नदियों के संगम से उत्पन्न होती है?

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?