धातु प्रदूषक के रूप में निम्नलिखित में से कौन जल में घुलकर उसे प्रदूषित करता है?

Mahatma Gandhi's last fast unto death in 1948 was primarily against which of the following?

What was the primary meaning of 'Swaraj' as popularized by Mahatma Gandhi during India's independence movement?

What was one major impact of India’s independence on its economy?