What makes West bengal the most thickly populated state in India? Explain in about 80 words.

 1.West Bengal is dominated by tropical humid or sub-humid type of climate. This type of climate is suitable for the development of industries and urban settlements.Hence, migration to this place has become a common phenomenon which had increased population.

2.The transport and communication system here is good to attract people from ouside.Moreover, the people here are hospitable and friendly and the market here consists of a wide variety of products.

3. The migration of illegal immigrants from Bangladesh has also added to the rise in population here.