Ishwar Chandra Vidyasagar, scholar, social reformer and a key figure of the Bengal Renaissance, was born at Birsingha on 26 September 1820.

[1][2] Ghatal subdivision, shown in the map alongside, has alluvial soils.

According to the 2011 Census of India, Jalsara had a total population of 2,183, of which 1,118 (51%) were males and 1,065 (49%) were females.

The total number of literate persons in Jalshhara was 1,378 (71.36% of the population over 6 years).

[6] David J. McCutchion mentions the Siva temple at Jalsara as a high-towered baro-chala with ratha projections.