The 'Mountbatten Plan' was announced in: MCQ with Answer and Explanation

Explanation:
Subhas Chandra Bose won the election against Pattabhi Sitaramayya, but later resigned due to lack of cooperation from Gandhi and the Working Committee.

Explanation:
After the Montagu-Chelmsford Reforms, many moderates who opposed Gandhi's leadership left the Congress and formed the Indian National Liberal Federation in 1919.

Explanation:
Holt Mackenzie formulated the system, R. M. Bird implemented it, and James Thomson further modified it in the North-Western Provinces.