The south-eastern part of Madhya Pradesh receives maximum rainfall from:

• Monsoon Rainfall in South-Eastern Madhya Pradesh:
Source of Rainfall: South-eastern Madhya Pradesh receives maximum rainfall from the Bay of Bengal branch of the South-West Monsoon. Hence, option 2 is correct.
Monsoon Season: Typically occurs from June to September.

• Movement:
The Bay of Bengal branch moves westward after crossing the Indian subcontinent's eastern coast.
This branch brings moisture-laden winds across central India, including Madhya Pradesh.

• Impact:
Contributes significantly to the region's annual rainfall.
Supports agricultural activities, particularly the cultivation of kharif crops like rice, maize, and soybeans.

• Climatic Importance:
The rainfall pattern influences the local climate, maintaining ecological balance.
Vital for replenishing water resources, including rivers, lakes, and groundwater.
This monsoon branch plays a crucial role in the agricultural productivity and water availability in the south-eastern region of Madhya Pradesh.