Dear Student,
Density of population is high in Western Maharashtra because:
a. Physical factors like shape and height of land, resources, climate etc. which has been conducive enough to impact the population density
b. The region is rich in natural resources that also attracts more population
c. Further the region offers wide range of economic and job opportunities to people thereby attracting more and more people from other states as well.
d. Mumbai for instance lies on the west coast of India provides good opportunities to people in terms of jobs.
e. West coast is the major hub for trade that provides for good employment opportunities
Regards