निम्नलिखित में से कौन सा संगठन ऐतिहासिक रूप से भारत में गरीबी रेखा का अनुमान लगाने के लिए बड़े पैमाने पर नमूना सर्वेक्षण आयोजित करता था?

Which of the following events is considered a major turning point that fueled Indian nationalism during British rule due to its brutal nature and widespread condemnation?

Which of the following events is considered the first major peasant uprising against the British in India?