किस संवैधानिक संशोधन द्वारा शपथ के प्रारूप में 'मैं भारत की संप्रभुता और अखंडता को बनाए रखूंगा' शब्द जोड़े गए थे?

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?