Correct option is B
This monsoon is responsible for nearly 75-80% of India’s total annual rainfall.
The Western Ghats, the North-Eastern states, and the Indo-Gangetic plains receive heavy rainfall during this period.
Factors influencing South-West Monsoon:
Tropical Easterly Jet Stream
El Niño and La Nina Phenomena
Heating of the Tibetan Plateau
Position of ITCZ (Intertropical Convergence Zone)
Regional Rainfall Distribution in India:
Heavy rainfall (>250 cm) – Western Ghats, Assam, Meghalaya (Mawsynram & Cherrapunji)
Moderate rainfall (100-250 cm) – Indo-Gangetic plains, Central India
Low rainfall (<50 cm) – Rajasthan, Gujarat, Ladakh