South Kolorah, has a madrasah named Majahirul Ulum Islamia Senior Madrasah, Karbala G M Primary School and Kolorah Haji Abdul Ohab Institution. There is a market named Karbala Bazar and one Primary Health Centre.
As per 2011 Census of India Kalara had a total population of 27,210 of which 14,102 (52%) were males and 13,108 (48%) were females. Population below 6 years was 3,304. The total number of literates in Kalara was 19,309 (80.77% of the population over 6 years).[2]
As of 2001[update] India census,[3] Kalara had a population of 23,129. Males constitute 52% of the population and females 48%. Kalara has an average literacy rate of 64%, higher than the national average of 59.5%: male literacy is 68% and female literacy is 60%. In Kalara, 14% of the population is under 6 years of age.[citation needed]
Most of the people of Kolorah are zari workers and some are tailors by profession, they work in Kolkata Barabazar.[citation needed]
Remarkable residents:
Dr. MM Samim, a renowned neurologist from the prestigious National Institute of Mental Health and Neurosciences (NIMHANS) in Bangalore, is among the most esteemed residents of this area. In 2018, he achieved the remarkable feat of securing All India Rank 1 in the DM Neurology entrance examination, post-MBBS, creating history in the process.[4]