Kalsar observes Ganesh Chaturthi on Monday, 14 September 2026, along with the rest of Bihar.
By population, Kalsar ranks #6 of 41 villages in Hasanganj mandal.
Source: Census of India 2011 (village PCA; mandal and district aggregates).
Kalsar is a village of 2,437 people in 560 households (Census 2011) in Hasanganj block, Katihar district, Bihar, the 6th-largest of 41 villages in Hasanganj block. Literacy is 38%, 6 points below the block average of 44% and the sex ratio is 975 women per 1,000 men. The pincode is 854317, served by Barsoighat post office; the LGD village code is 224427. The village votes in Supaul assembly constituency, represented by MLA Bijendra Prasad Yadav. The population is estimated at 2,873 in 2026, up 18% since the 2011 Census.
Gram panchayat: Kalsar →
Source: Census of India 2011, Village Directory. Facilities may have changed since.
Water supply timings, gram sabha dates, camps and drives — residents post them here and they expire on their own.
Looking for a different Kalsar? 4 other villages share this name across India. All villages named Kalsar →
Sources: Office of the Registrar General & Census Commissioner of India (Census 2011 + Population Projections 2011-2036) · International Institute for Population Sciences (NFHS-5) · Election Commission of India · data.gov.in (Jal Jeevan Mission, PMAY-G, SBM-G dashboards). Projections may differ from on-the-ground reality by ±20% for individual villages. An asterisk next to a sex-ratio value (—*) flags a Census 2011 figure outside the plausible range of 300–2000 ♀/1000♂; the underlying source row is suppressed pending review.
Centred on Hasanganj mandal
Kalsar doesn't have its own precise centroid yet, so these places are nearby in the Hasanganj mandal — sorted by distance from the village's approximate centre. Claim the village to add precise locations.
Place data sourced from © OpenStreetMap contributors (ODbL). Verified entries are confirmed by the Gram Panchayat. See something wrong? Suggest an edit.
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