Udwantnagar or Udwant Nagar (Hindi: उदवंत नगर) is a village and corresponding community development block in Bhojpur district of Bihar, India. As of 2011, its population was 9,000, in 1,496 households. The total block population was 157,809, in 24,336 households.

Demographics Udwant Nagar is a rural block, with no major urban centres. As of 2011, the block's sex ratio was 910, which was slightly higher than the overall district ratio of 907 and exactly equal to the rural district ratio. The sex ratio was marginally higher in the 0-6 age group, with 912 females for every 1000 males, which was slightly lower than the district ratio of 918 for this age group. Members of scheduled castes made up 18.87% of the block's population, and members of scheduled tribes made up 0.08%. The literacy rate of Udwantnagar block was 69.41%, which was slightly lower than the overall district literacy rate of 70.47% but about equal to the rural rate of 69.16%. Literacy was higher in men (81.68%) than in women (55.93%), with the corresponding 25.75% gender gap being slightly higher than the district average of 23.71% but, similarly, about equal to the rural gap of 25.45%.

Most of Udwantnagar block's workforce was engaged in agriculture in 2011, with 33.72% being cultivators who owned or leased their own land (the highest percentage in Bhojpur) and another 44.47% being agricultural labourers who worked another person's land for wages. 2.71% were household industry workers (the lowest percentage in Bhojpur), and the remaining 19.09% were other workers. Most workers were men (36,692, compared to 8,808 women) and thus male workers outnumbered female ones in each of the four categories of employment; however, the proportion of women was higher in the categories of agricultural labourers (63.45%, compared to 39.92% for men) and household industry workers (4.02%, compared to 2.40% for men).

Transport Udwant Nagar is well connected by roads, highways and Rail routes to various cities like Patna, Arrah, Bikramganj, Sasaram, Jagdishpur and Mohania in Bihar; and Chandauli and Mughalsarai in Uttar Pradesh.

Roads Arrah-Dinara-Mohania (NH-319) Arrah-Bikramganj-Sasaram (SH-12)

Railway Arrah Junction: ARA (5 km) Koilwar railway station: KWR (19 km) Bikramganj railway station: XBKJ (50 km) Sasaram Jn. railway station: SSM (90 km)

Airway Patna Airport (55 km) Bihta Airport (35 km)

Bullet train The Varanasi-Howrah high-speed rail corridor (HSR) is proposed to pass through Bhojpur district with a Bullet train station at Udwant Nagar. It will cross the Sone River near Jalpura Tapa village and enter Patna district.

List of Villages Udwantnagar block contains the following 76 villages: (GP = Gram Panchayat) Village name Total land area (hectares) Population (in 2011) Udwantnagar (GP & block HQ) 625 9,000 Diliya 142 836 Milki 46 1,344 Gorhna 75 1,488 Bakri (GP) 482 4,580 Sarthua (GP) 867 6,363 Khalisa 277 2,169 Piania (GP) 413 4,933 Khajuata 72 541 Dariapur 86.8 1,751 Chakia 66.9 1,191 Bhelain 263 3,384 Kalyanpur 47 1,118 Chorain 237 1,987 Chaursani 84 499 Akhtiarpur 130 3,677 Pakariabar 222 2,000 Saraiya 206 832 Madhubani 110 0 Sikandarpur 82 0 Bargahi 82 1,294 Bhopatpur 59 0 Chhotka Sasaram (GP) 336 6,399 Dubedah 175 340 Kawal Kundi 98 0 Nawada Ben (GP) 434 7,129 Misraulia 100 0 Pirozpur 54 498 Mahuli Khurd 66 90 Mahuli Buzurg 64 2,011 Nawa Nagar 232 3,083 Karisath (GP) 635 6,137 Rampur 49 186 Milki 27 1,781 Bampali (GP) 406 4,442 Bishunpur 107 1,819 Bibiganj 94 845 Harnath Kundi 109 1,013 Masarh (GP) 919 8,102 Mahatwania 129 1,286 Dehri 171 1,149 Salthar 77 677 Asani (GP) 229 3,498 Jaitpur 408 2,847 Garha 342 1,474 Patar 91 124 Malthar 147 1,343 Behra Sabalpur 59 1,008 Tetaria 89 732 Ekauna (GP) 350 3,558 Deoria 162.2 1,665 Bajruha 112 1,208 Savgar 134 1,073 Kharauni 152 1,207 Nima 115 1,057 Sakhua 145 1,489 Kusamhi 34 471 Kusumha (GP) 159 1,770 Surni 210 2,254 Bhupauli 36 734 Konhara 175 522 Raghopur 113 766 Sonpura (GP) 497 2,162 Indarpura 127 378 Birampur 221 1,370 Khiritanr 86 380 Khiritanr Milki 34 397 Kasap (GP) 972 6,970 Sirampur 62 520 Morath 236 1,675 Bhawanpur 47 0 Mangatpur 37 0 Eraura (GP) 338 2,320 Basauri 138 834 Demhan 195 1,316 Belaur (GP) 1,840 14,713

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