Blue Revolution means the adoption of a package programme to increase the production of fish and marine products. The Blue Revolutin in India was started in 1970 during the 5^th Five-Year Plan when the Central Government sponsored the Fish Farmers Development Agency (FFDA). Subsequently, the Brakish Water Fish Farms Development Agency were set up to develop aquaculture. The Blue Revolution has brought improvement in aquaculture by adopting new techniques of fish breeding, fish rearing, fish marketing, and fish export. Under the Blue Revolution programme, there had been a tremendous increase in the production of shrimp. Andhra Pradesh and Tamil Nadu have developed shrimp in a big way. The Nellore District of Andhra Pradesh is known as the ‘Shrimp Capital of India’.

       There are more than 1800 species of fish found in the sea and inland waters of India, of which a very few are commercially important. The important sea fish include catfish, herring, mackerels, perches, mullets, Indian salmon, shell fish, eels, anchovies, and dorab. Similarly, the main fresh water fish include catfish, loaches, perches, eels, herrings, feather backs, mullets, carps, prawns, murrels, and anchovies.

       India is the third largest producer of fish and second largest producer of in land fish in the world. Fisheries sector occupies a very important place in the socio-economic development of the country. It has been recognized as a powerful income and employment generator as it stimulates growth of a number of subsidiary industries and is a source of cheap and nutritious food besides being a foreign exchange earner. At present this fisheries sector is a source of livelihood of over 11 millions peoples engaged fully, partially or in subsidiary activities pertaining to the sector.

         Fish production in the country has increased from 0.75MT in 1950-51 to 94.25MT in 2015-16 which is expected to become 186MT in 2030. Fishing, aqua-culture and allied activities which is a source of livelihood to over 55 millions people as well as a major foreign exchange earner. In 2015-2016 contributed about 1% of the total GDP and 5.3% from the agriculture sector. Geographical base of Indian marine fisheries has 7516 km coastline, 2.02 million sq.km of exclusive economic zone including 0.5 million sq.km of continental shelf and 3937 fishing villages. There’re 189 traditional fish landing centre, 59 minor fishing harbours and 6 major fishing harbours which serves a bases for about 280000 fishing crafts.

          Export of marine products will be raised to $10 billions by 2030 from the present $4.6 billion, according to the ministry of commerce. The government is also committed to increasing employment potential to 10 million. As per the official estimates 5.5 million additional employment opportunities would be generated in the next 14-15 years. Among the major markets, the European union continued to be single largest market with 29% share followed by US with 23%, Japan with 16% and China with 12% market share. South-East Asia and West Asian countries were the other major buyers. Among the ports, Chennai retained its 1^st position by exporting 19% followed by Kochi 17%, JNP 16% and Vizag 15%