निम्नलिखित में से किसे शिक्षण-अधिगम के त्रिकोणीय संबंध का मूल तत्व नहीं माना जाता 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?