Name any two Provinces included in 'Group A' as per the Cabinet Mission Plan.

Name any one Province included in 'Group B' as per the Cabinet Mission Plan. Why was the Cabinet Mission accused of having a hidden agenda to harm the Unity of India?
OR
What was the implication of the Cabinet Mission's proposal regarding 'Group B' Provinces?

Why did the Congress finally accept the Cabinet Mission Plan?
or
Why did the Congress welcome Cabinet Mission's proposal regarding the formation of a Constituent Assembly?

Why did the Congress reject Viceroy's offer to form an Interim Government as per the Cabinet Mission's Plan?