साफ आकाश का नीला रंग मुख्य रूप से गैस के अणुओं और धूल कणों द्वारा होने वाली किस प्रकाशीय परिघटना के कारण दिखाई देता 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?