History
The territory of Greater 24 Parganas were under the Satgaon (ancient Saptagram, now in Hoogly district) administration during the Mughal era and later it was included in Hoogly chakla (district under post-Mughal Nawabi rule) during the rule of Murshid Quli Khan. In 1757, after the Battle of Plassey, Nawab Mir Jafar confer the Zamindari of 24 parganas and janglimahals (small administrative units) to the British East India Company. These were Amirpur, Akbarpur, Balia, Birati, Azimabad, Basandhari, Baridhati, Bagjola, Kalikata, Garh, Hatiagarh, Islampur, Dakshin Sagar, Kharijuri, Khaspur, Ikhtiarpur, Madhyamgram, Magura, Medanmalla, Maida, Manpur, Muragachha, Pechakuli, Paikan, Rajarhat, Shahpur, Shahnagar, Satal and Uttar Pargana. Since then, this entire territory is known as Twenty four Parganas.
In 1983, an administrative reform committee under the chairmanship of Dr. Ashok Mitra suggested to spilt the district into two and as per the recommendation of the committee two districts – North and South 24 Parganas were created. The North 24 Parganas which was included to the Presidency Division has been formed with 5 sub-divisions of the Greater 24 Parganas namely Barasat (Headquarter), Barrackpore, Basirhat, Bangaon and Bidhannagar (a satellite township of Kolkata, popularly known as Salt Lake)