Semra observes Ganesh Chaturthi on Monday, 14 September 2026, along with the rest of Bihar.
The idol is kept for one and a half, three, five, seven days or until Anant Chaturdashi — it is a family custom rather than a rule, and community mandapams usually keep it longest.
| Kept for | Immersion | |
|---|---|---|
| One and a half days | Tue, 15 September | |
| Three days | Thu, 17 September | |
| Five days | Sat, 19 September | |
| Seven days | Mon, 21 September | |
| Anant Chaturdashi | Wed, 23 September | The day most community mandapams immerse |
Many gram panchayats and municipalities set aside a pond or a marked stretch of tank for immersion. Ask at the panchayat office — it changes year to year, and a drinking-water tank or a farm pond is not an alternative.
A clay idol breaks down in water within hours. Plaster of Paris does not, and the paints carry heavy metals, so idols accumulate in tanks and rivers after immersion. Pollution control boards in most states now ask for clay for exactly this reason.
Immersion points get crowded and the bank is slippery after the monsoon. Children go into the water at these gatherings every year. Keep one person watching the water rather than the procession.
Thermocol, plastic sheeting, cloth and metal ornaments do not belong in the tank even when the idol itself is clay. Most organised immersion points now have a collection bin at the bank for them.
Semra is a small village in Sasaram mandal, Rohtas district, Bihar with a population of 186 across 26 households and a literacy rate of 61.8%. Located at coordinates 24.959°N, 84.125°E, it operates under PIN code 821305.
By population, Semra ranks #142 of 175 villages in Sasaram mandal.
Source: Census of India 2011 (village PCA; mandal and district aggregates).
Semra is a village of 186 people in 26 households (Census 2011) in Sasaram block, Rohtas district, Bihar, the 142nd-largest of 175 villages in Sasaram block. Literacy is 62%, 4 points above the block average of 58% and the sex ratio is 958 women per 1,000 men. It lies 113 km from the Rohtas district centre, 0 km from Semra, the nearest town, 4 km from Karwandia railway station (straight-line distances). The pincode is 821305, served by Dalmianagar post office; the LGD village code is 252401. The nearest hospital or health centre is Narayan Medical College And Hospital, 3 km away. The village votes in Asthawan assembly constituency, represented by MLA Jitendra Kumar. The population is estimated at 219 in 2026, up 18% since the 2011 Census.
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.
1 mapped by OpenStreetMap contributors, nearest first. Government school lists (UDISE) will replace this when loaded.
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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.
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