As per 2011 Census of India, Kalachhara had a population of 4,225 of which 2,134 (51%) were males and 2,091 (49%) females. Population below 6 years was 385. The total number of literates in Kalachhara was 3,373 (87.84% of the population over 6 years).[3]
^"Mouza Information". Land & Land Reforms Department, Government of West Bengal. Archived from the original on 22 December 2016. Retrieved 16 October 2018.
^"Bamandanga". Indian Village Directory. Retrieved 18 October 2018.