The census towns are: Farakka Barrage Township, Srimantapur (P), Benia Gram, Arjunpur, Sibnagar, Memrejpur, Pranpara, Mahadebnagar, Anup Nagar, Jaffrabad, Kankuria, Uttar Mahammadpur, Chachanda, Dhusaripara, Serpur, Kohetpur, Bhasaipaikar, Jaykrishnapur, Basudebpur, Madna, Ramakantapur, Nayabahadurpur, Fatellapur, Jagtaj, Debipur, Aurangabad, Mahendrapur, Hafania, Dafahat, Paschim Punropara, Ichhlampur, Chakmeghoan, Kakramari, Khanpur, Khidirpur, Bhabki, Ghorsala, Srikantabati, Charka, Dafarpur, Ramnagar, Mirzapur, Giria, Mithipur, Jot Kamal, Osmanpur, Sahajadpur, Khodarampur, Donalia, Teghari, Krishna Sali and Bara Jumla.

[8][9] An estimate made in 2000 places the total number of illegal Bangladeshi immigrants in India at 1.5 crore, with around 3 lakh entering every year.

[10] During the UPA government, Sriprakash Jaiswal, Union Minister of State for Home Affairs, had made a statement in Parliament on 14 July 2004, that there were 12 million illegal Bangladeshi infiltrators living in India, and West Bengal topped the list with 5.7 million Bangladeshis.

More recently, Kiren Rijiju, Minister of State for Home Affairs in the NDA government has put the figure at around 20 million.

[11] Critics point out that the Bengali politicians, particularly those from the ruling Trinamool Congress and the CPI (M), believe that a soft approach to the problem helps them to win Muslim votes.