The onset of rainy season depends on the onset of South-West monsoon winds on the

The onset of rainy season depends on the onset of South-West monsoon winds on the East Coast of India, West Coast of India.

West Coast of India:
The western coast of India is located along the west coast of India. It is located between Kerala and Gujarat and extends from the Arabian Sea to the Western Ghats.

East Coast of India:
It is the southern stretch, a long and narrow coastline that extends from the South of Goa to Kanyakumari.