उपभोक्ता सिद्धांत मुख्य रूप से अध्ययन करता है कि लोग अपना ______ खर्च करने का निर्णय कैसे लेते हैं।

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?