Hilsa is a popular food source in the Indian subcontinent. It is the national fish of Bangladesh and state fish of West Bengal. It contributes to around 12 per cent of the Bangladeshs overall fish production and around 1.15 per cent GDP of the country.
This costly fish has been caught in Uttar Pradesh, Bihar and Jharkhand for the first in three decades after the gates and fish locks of Farakka barrage were changed to allow the upstream migration of anadromous fishes. The gates of the Farakka barrage was changed by the National Mission for Clean Ganga.