Along with giving millions of fisherman jobs and generating significant foreign cash for the nation, marine fisheries play a significant role in delivering protein-rich food to the world's expanding population. The greatest economic activity sector in India is agriculture. For a relatively large section of the population, it not only offers food and raw materials but also jobs. Fisheries, one of the agricultural resources, play a significant role in the Indian economy, particularly in terms of generating foreign cash. The five coastal districts of Thane, Greater Mumbai, Raigad, Ratnagiri, Sindhudurg. Additionally, because fishing requires a lot of labour, it will help the underprivileged in society find gainful employment. It also provides a stable source of income for a sizable portion of the economically disadvantaged population, particularly those living along the country's coast. Population growth is the term used to describe the gradual rise or fall in a region's population over time. This change could be advantageous or detrimental. It can be expressed as a percentage or in absolute amounts. Population growth and decline are important indicators of a region's economic health, social development, and historical and cultural heritage.