किस उपनिषद में यह घोषणा की गई है कि दो प्रकार का ज्ञान होता है: परा (उच्च ज्ञान) और अपरा (निम्न ज्ञान)?

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?