भूमि की सतह के नीचे समान ऊर्ध्वाधर दबाव (vertical pressure) वाले सभी बिंदुओं को जोड़ने वाले वक्र या समोच्च रेखा (contour) को किस रूप में जाना जाता 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?