Why do Indians suffer from vitamin D deficiency despite plenty of sunlight?

India is a tropical country. However, even in a nation that receives enough sunshine most of the year, many suffer from vitamin D deficiency. This paradox is due to urban lifestyles, cultural habits, and environmental elements like pollution

Why do Indians suffer from vitamin D deficiency despite plenty of sunlight?
India is a tropical country. However, even in a nation that receives enough sunshine most of the year, many suffer from vitamin D deficiency. This paradox is due to urban lifestyles, cultural habits, and environmental elements like pollution