[4] During the Sepoy war of 1857–1858 the whole of the Bara Banki taluqdars joined the mutineers, but offered no serious resistance after the capture of Lucknow.

[7] Raja Balbhadra Singh Chehlari along with other 1000 revolutionaries were killed in action while fighting British at Obri around 2 km from Barabanki on the confluence of riverlets Rait and Jamuria.

Area of Nawabganj Pargana around 1878 was 79 square miles and it was bounded in North by Ramnagar and Fatehpur, on the east by Daryabad, on the west by Dewa, and on south by Partabganj.

According to census of 2001 Nagar Palika Parishad Nawabganj covers an area of 12 km² with population of 75,741.

It consists of seven sections for providing civic amenities to its citizens, they are:[15] Nagar Palika Parishad Nawabganj has 25 wards.