1. Identity, Renaming Chronology & Administrative Setup

• HQ: Prayagraj; Division: Prayagraj (4 districts: Prayagraj, Fatehpur, Kaushambi, and Pratapgarh); Region: Confluence of Doab, Awadh, Purvanchal & Vindhyanchal. RTO Code: UP-70.

• Name Origins & Epithets: Anciently revered as Prayag (place of supreme sacrifice where Lord Brahma performed the first Prakrishta Yajna after creation). Renamed Ilahabas / Allahabad by Mughal Emperor Akbar in 1575–1583 CE; officially restored to "Prayagraj" on 16 October 2018. Known as "Tirtharaj" (King of Pilgrimages), "Sangam Nagari", "Abode of God", "Judicial Capital of Uttar Pradesh", and "City of Prime Ministers".

• District boundaries (touches 5 UP districts & 1 State — Madhya Pradesh): Pratapgarh & Jaunpur (north), Sant Ravidas Nagar (Bhadohi) & Mirzapur (east), Kaushambi & Chitrakoot (west), and Rewa district of Madhya Pradesh (south).

• Tehsils (8 — Joint Highest in UP with Azamgarh): Prayagraj Sadar, Soraon, Phulpur, Handia (Ganga Par), and Karchhana, Bara, Meja, Koraon (Yamuna Par); Development Blocks (23). Houses 12 Vidhan Sabha (MLA) constituencies — the highest in Uttar Pradesh!

• 4 Renamed Railway Stations (2020 Official Notification): (1) Allahabad Junction → Prayagraj Junction, (2) Allahabad City → Prayagraj Rambagh, (3) Allahabad Chheoki → Prayagraj Chheoki, and (4) Prayagghat → Prayagraj Sangam.

2. Archaeology: Belan Valley Sites (Koldihwa, Chopani Mando), Shringverpur & Monuments

• World-Famous Belan River Valley Archaeological Complex (Meja / Koraon Tehsils — Exam Superstar!):

  • Excavated by Prof. G.R. Sharma (University of Allahabad), the Belan Valley provides an unbroken cultural sequence from the Lower Palaeolithic to the Neolithic age:

  • 1. Lohda Nala (Belan Valley): Upper Palaeolithic site famous for yielding the world-renowned Bone Mother Goddess Figurine (Asthi Nirmit Matridevi Ki Pratima)!

  • 2. Chopani Mando (Belan Valley): Epi-Palaeolithic to Mesolithic/Proto-Neolithic site yielding the world’s earliest evidence of handmade pottery, beehive-shaped circular huts, and wild rice!

  • 3. Koldihwa (Belan Valley): Neolithic site famous for yielding early evidence of rice cultivation (paddy husks embedded in pottery dated ~6500 BCE), cord-impressed ware, and ground stone celts.

  • 4. Mahagara (Belan Valley): Neolithic site opposite Koldihwa famous for a large Cattle Pen (Pashubara with hoof impressions of cattle/sheep), barley, and bone tools!

• Shringverpur (Soraon Tehsil, on the Ganga Bank — Ramayana & Hydraulic Engineering Marvel):

  • Capital of Nishadraj Guha (who ferried Lord Rama, Sita, and Lakshmana across the Ganga) and tapobhumi of Rishi Shringi.

  • Excavations by Prof. B.B. Lal (1977–85) unearthed a monumental 1st-century BCE (Sunga–Kushana era) 250-metre-long brick water-harvesting and filtration tank complex fed by the Ganga — the finest example of ancient hydraulic engineering in India!

• Allahabad Fort (1583 CE) & the Famous "Prayag Prashasti Pillar":

  • Built by Emperor Akbar in 1583 CE at the confluence of the Ganga and Yamuna; houses the sacred immortal banyan tree Akshayavat, Patalpuri Temple, and Saraswati Koop.

  • Allahabad Pillar (Ashoka–Samudragupta–Jahangir Pillar): Originally erected by Ashoka at Kaushambi and shifted here by Akbar. Bears: (1) Ashoka’s 6 Pillar Edicts, Schism Edict & Queen’s Edict (Karuvaki); (2) Samudragupta’s Prayag Prashasti (composed in Sanskrit Champu style — prose & verse — by court poet Harishena); (3) Raja Birbal’s 1575 CE pilgrimage inscription; and (4) Jahangir’s Persian genealogy inscription (engraved by Mir Abdullah Mushkin-Qalam)!

• Jhunsi (ancient Pratishthanpur — capital of Lunar dynasty King Pururava; houses Samudra Koop & Shaikh Taqi’s Dargah), Bhita (ancient Mauryan–Gupta fortified commercial port town on the Yamuna), Garhwa Fort (Shankargarh/Bara — yielded Gupta inscriptions of Chandragupta II, Kumaragupta I [2 inscriptions], and Skandagupta!), and Sujawan Deula (temple on a rocky islet inside the Yamuna near Deoria/Bara).

• Khusro Bagh (1607–1622 CE — ASI Protected): Walled Charbagh garden housing sandstone mausoleums of Prince Khusrau Mirza (eldest son of Jahangir), his mother Shah Begum (Man Bai), and sister Nithar Begum.

• Bharadwaj Ashram, Bade Hanuman Ji (Lete Hanuman), Mankameshwar, Alop Shankari Devi (Shaktipeeth with a wooden cradle/Palna instead of an idol!), Nagvasuki Temple, & All Saints' Cathedral (Patthar Girja, 1887 — designed by Sir William Emerson).

3. History: Harshavardhana (643 CE), 1-Day Capital, 1st Air Mail (1911) & Freedom Struggle

• Harshavardhana’s Quinquennial Assembly (Mahamoksha Parishad — 643 CE): Emperor Harshavardhana held his famous 5-yearly charity assembly at the Prayag Sangam; Chinese pilgrim Hiuen Tsang attended the 6th assembly here in 643 CE.

• 1857 Revolt (Maulvi Liaquat Ali) & "Capital of India for One Day" (1 November 1858):

  • On 6 June 1857, the 6th Native Infantry revolted at Allahabad; Maulvi Liaquat Ali declared independence from Khusro Bagh before Col. Neill recaptured the city.

  • On 1 November 1858, Allahabad served as the Capital of India for a day when Viceroy Lord Canning held a grand Durbar at Minto Park (now Madan Mohan Malaviya Park) and read out Queen Victoria’s Proclamation transferring rule from the East India Company to the British Crown!

  • Served as the Capital of the North-Western Provinces / United Provinces from 1858 to 1921 (when the executive capital shifted to Lucknow).

• World’s & India’s First Official Air Mail Flight (18 February 1911 — Exam Gem!):

  • On 18 February 1911, French pilot Henri Pequet flew a Humber biplane carrying 6,500 letters from Allahabad (United Provinces Exhibition ground) across the Yamuna to Naini Junction (~10 km) — marking the world’s first official airmail service and the birth of civil aviation in India!

• Three Historic Sessions of the Indian National Congress (INC), Swaraj Party (1923) & Nehru Report (1928):

  • 1. 4th INC Session (1888, Allahabad): Presided over by George Yule — the FIRST English / European President of the INC!

  • 2. 8th INC Session (1892, Allahabad): Presided over by W.C. Bonnerjee.

  • 3. 25th INC Session (1910, Allahabad): Presided over by Sir William Wedderburn.

  • Swaraj Party (Jan 1923) & Nehru Report (1928): The Swaraj Party was founded at Anand Bhawan, Prayagraj in January 1923 by C.R. Das and Motilal Nehru; the historic Nehru Report (1928) was also drafted here.

• Martyrdom of Chandra Shekhar Azad (27 February 1931): Surrounded by British police under SSP Nott-Bower at Alfred Park (now Chandra Shekhar Azad Park) on 27 February 1931, HSRA Commander-in-Chief Chandra Shekhar Azad fought single-handedly and shot himself with his last bullet, fulfilling his pledge to remain 'Azad'!

• Historic Newspapers & Journals Published from Prayagraj: The Pioneer (1865, George Allen), Hindi Pradeep (1877, Pt. Balkrishna Bhatt), Saraswati (1900, Indian Press — edited by Acharya Mahavir Prasad Dwivedi from 1903–20), Abhyudaya (1907, Hindi weekly) & The Leader (1909, English daily — both by Pt. Madan Mohan Malaviya), and Chand (famous Phansi Ank, Nov 1928).

4. Eminent Personalities ("City of Prime Ministers" & Literary Capital)

• Bharat Ratna Mahamana Pt. Madan Mohan Malaviya (25 Dec 1861 – 1946): Born in Prayagraj; founder of Banaras Hindu University (1916), 4-time INC President, and popularizer of "Satyameva Jayate" (Bharat Ratna, 2015).

• Bharat Ratna Purushottam Das Tandon ("Rajarshi", 1882–1962): Born in Prayagraj; champion of Hindi as Official Language, 1st Speaker of UP Legislative Assembly, and INC President (1950; Bharat Ratna, 1961).

• "City of Prime Ministers": Associated by birth, residence (Anand Bhawan / Swaraj Bhawan), or constituency (Phulpur/Allahabad) with 7 Prime Ministers of India: Pt. Jawaharlal Nehru (born in Prayagraj, MP from Phulpur), Lal Bahadur Shastri (karmabhumi & MP from Allahabad), Indira Gandhi (born at Anand Bhawan), Rajiv Gandhi, Gulzarilal Nanda (educated at Allahabad Univ), Vishwanath Pratap Singh (born in Prayagraj/Manda Riasat), and Chandra Shekhar (studied at Allahabad Univ)!

• Literary Giants (Birthplace or Karmabhumi): Pt. Balkrishna Bhatt (born in Prayagraj), Suryakant Tripathi 'Nirala' (lived at Daraganj), Mahadevi Verma (Principal of Prayag Mahila Vidyapith; died in Prayagraj), Sumitranandan Pant, Dharamvir Bharati (born in Prayagraj; co-founded Parimal in 1944; author of Gunahon Ka Devta & Andha Yug), Firaq Gorakhpuri, and Akbar Allahabadi (born in Bara, Prayagraj).

• Major Dhyan Chand ("Wizard of Hockey", 29 Aug 1905) & Megastar Amitabh Bachchan: Both were born in Prayagraj!

5. Language, Culture, Maha Kumbh (2025) & Cultural Academies

• Language & Dialect: Awadhi (with Bagheli in southern Koraon/Meja and Bhojpuri influence in eastern Handia) alongside standard Hindi and Urdu.

• Prayagraj Maha Kumbh Mela (UNESCO Intangible Cultural Heritage — 2017):

  • World’s largest peaceful human congregation held at the Triveni Sangam: Magh Mela (every year), Ardh Kumbh / Kumbh (every 6 years), Purna Kumbh (every 12 years), and Maha Kumbh (every 144 years).

  • Historic Maha Kumbh 2025 (13 January – 26 February 2025): Celebrated across 4,000 hectares in 25 sectors (temporarily notified as UP’s 76th district — "Maha Kumbh Mela Janpad"), witnessing a world-record 66+ crore (660+ million) pilgrims!

• 4 Premier Cultural & Literary Institutions in Prayagraj (Asked Repeatedly in UPPCS!):

  • 1. North Central Zone Cultural Centre (NCZCC — Est. 1986, HQ at Prayagraj): Organizes the famous annual Rashtriya Shilp Mela.

  • 2. Prayag Sangeet Samiti (Est. 1926, Prayagraj): Premier classical music and dance institution.

  • 3. Hindustani Academy (Est. 29 March 1927, Prayagraj).

  • 4. Hindi Sahitya Sammelan, Prayag (Est. 1910 — 1st President: Pt. Madan Mohan Malaviya).

6. Geography, 3 Natural Divisions, Rivers & #1 Silica Sand Hub

• Three Distinct Physical Divisions of Prayagraj:

  • 1. Trans-Ganga (Ganga Par — Soraon, Phulpur, Handia): Fertile northern alluvial plain.

  • 2. Doab (Sadar Tehsil): Triangular wedge between the Ganga and Yamuna terminating at Triveni Sangam.

  • 3. Trans-Yamuna (Yamuna Par — Bara, Karchhana, Meja, Koraon): Southern Vindhyan sandstone/rocky plateau (Kaimur–Vindhyachal spur).

• Major Rivers & Confluences:

  • 1. Ganga & 2. Yamuna Rivers: Meet at the sacred Triveni Sangam (with mythical subterranean Saraswati).

  • 3. Tons (Tamsa) River: Enters from Rewa (MP) in the south and joins the Ganga at Sirsa (Meja/Karchhana border in Prayagraj)!

  • 4. Belan River: Flows westwards through the southern Vindhyan valley (Koraon/Meja) and joins the Tons River (irrigated by Meja Dam/Belan Canal).

  • 5. Varuna River: Originates from Mailahan Jheel in Phulpur (Prayagraj) and flows east into Bhadohi/Varanasi.

• #1 District in UP & India for Silica Sand (Glass Sand — Kanch Balu):

  • The Shankargarh (Bara) and Karchhana Vindhyan belt of Prayagraj holds the largest reserves and production of high-purity white Silica Sand (Glass Sand — 98%+ $SiO_2$) in Uttar Pradesh and India!

7. Economy: ODOP (Moonj Craft), Surkha Guava GI, IFFCO & Thermal Power Hub

• Official ODOP (`odopup.in` 2026): Moonj Products (Moonj Craft) — eco-friendly coiled baskets, coasters, boxes, and home decor woven by women artisans in Mahewa Kalan (Naini) from riverine Sarkanda / Moonj grass (alongside food processing support for Guava products).

• Geographical Indication (GI Tag — 2008): "Allahabad Surkha Guava" (famous apple-tinted crimson-fleshed sweet guava).

• Major Industries & Thermal Power Plants in Prayagraj:

  • 1. IFFCO Phulpur (Ghiyanagar): Major fertilizer complex housing India’s 2nd Nano Urea (Liquid) Plant (inaugurated Feb 2023) alongside ammonia-urea plants.

  • 2. Bara Supercritical Thermal Power Plant (PPGCL / Tata Power, Bara): 1,980 MW (3 × 660 MW) coal-fired power station.

  • 3. Meja Thermal Power Station (MUNPL — NTPC + UPRVUNL JV, Meja): 1,320 MW (2 × 660 MW) supercritical power plant.

  • 4. Naini Industrial Hub: Houses Naini Aerospace Limited (NAeL — HAL subsidiary), ITI Limited (Naini), Triveni Structurals, Bharat Pumps & Compressors, and Central Glass/Silica units.

8. Census 2011 — #1 Most Populous District in Uttar Pradesh!

• Total Population — #1 Highest in Uttar Pradesh:

  • 59,54,391 — Prayagraj is the most populous district among all 75 districts of Uttar Pradesh (Rank #1 in UP) (followed by Moradabad [47.72 lakh], Ghaziabad [46.81 lakh], Azamgarh [46.13 lakh], and Lucknow [45.89 lakh])!

  • #1 in Male Population in UP: 31,31,807; #1 in Female Population in UP: 28,22,584; and #1 in Rural Population in UP: 44,81,518 (75.26%)!

• Geographical Area: 5,482 km² (ISFR 2023 exact GA: 5,482.00 km²) — Rank 6th largest district in UP.

• Population Density: 1,086 persons/km² (well above UP’s state average of 829/km²).

• Decadal Growth Rate (2001–2011): 20.63% (close to UP average of 20.23%).

• Sex Ratio: 901 females per 1,000 males (Provisional: 902); Child Sex Ratio (0–6 yrs): 893.

• Literacy Rate: 72.32% (Male: 82.55%; Female: 60.97%) — well above UP’s state average of 67.72%.

• Urbanisation: 24.74% urban (14,72,873) and 75.26% rural (44,81,518).

• SC & ST Share: SC Population: 13,09,851 (22.00% — 2nd largest absolute SC population in UP after Sitapur!); ST Population: 7,955 (0.13% — primarily Kol community in Koraon/Meja/Bara).

9. Environment, Turtle Sanctuary & Complete Forest + Tree Cover (ISFR 2023)

• Ganga River Dolphin & Turtle Wildlife Sanctuary (Meja–Mirzapur–Bhadohi 30-km Ganga Stretch): In 2020, after de-notifying the old Kashi Turtle Sanctuary, the UP Government notified a new 30-km Freshwater Turtle & Gangetic Dolphin Sanctuary along the Ganga river spanning Prayagraj (Meja/Karchhana), Mirzapur, and Bhadohi!

• ISFR 2023 District Forest Cover (Prayagraj — Table 10.27 Verified):

  • Out of a Geographical Area (GA) of 5,482.00 km², Prayagraj has 0.00 km² Very Dense Forest (VDF), 36.12 km² Moderately Dense Forest (MDF), and 92.86 km² Open Forest (OF) = 128.98 km² Total Forest Cover (2.35% of GA), plus 21.65 km² Scrub.

  • Compared to ISFR 2021 (128.88 km²), Prayagraj recorded a positive net increase of +0.10 km²; its natural dry-deciduous forests are concentrated in the southern Koraon, Meja, and Bara Vindhyan hills.

10. Major Schemes: Ganga Expressway Terminus, NW-1, IST Line & Corridors (Oct 2026)

• Indian Standard Time (IST — $82^\circ 30'\text{ E}$ Longitude Meridian): Passes directly through Naini (Prayagraj) (along with Mirzapur)!

• National Waterway-1 (NW-1: Prayagraj to Haldia, 1,620 km): Declared in 1986 along the Ganga–Bhagirathi–Hooghly river system; India’s longest National Waterway starts from Prayagraj!

• Eastern Terminus of the 594-km Ganga Expressway: Starts at Bijauli (Meerut) and terminates at Judapur Dandu village (Soraon tehsil, Prayagraj)!

• UP’s First Floating Restaurant (Yamuna Bank, 2023–24), Akshayavat Corridor, Bharadwaj Corridor & 6-Lane Phaphamau Cable-Stayed Ganga Bridge.

11. Premier Judicial, Administrative, Defence & Academic Institutions (Exam Goldmine)

• 1. High Court of Judicature at Allahabad (Prayagraj): Established in 1866 at Agra and shifted to Prayagraj in 1869 (with a permanent Bench at Lucknow); has the largest sanctioned strength of Judges (160) in India!

• 2. University of Allahabad ("Oxford of the East"): Established on 23 September 1887 — Uttar Pradesh’s OLDEST modern university (4th oldest in India after Calcutta, Bombay, and Madras; restored to Central University status in 2005).

• 3. Dr. Rajendra Prasad National Law University (RPNLU), Prayagraj: Newly inaugurated in February 2024.

• 4. Key State & Central Headquarters in Prayagraj:

  • Uttar Pradesh Public Service Commission (UPPSC — Est. 1 April 1937),

  • UP Board of High School & Intermediate Education (UPMSP — Est. 1921, world’s largest exam board),

  • UP Education Service Selection Commission (UPESSC — HQ at Prayagraj, 2023–24),

  • Headquarters of North Central Railway (NCR — Est. 1 April 2003),

  • Headquarters of Central Air Command (CAC) of the Indian Air Force (Bamrauli, Prayagraj), and

  • Principal Controller of Defence Accounts (Pensions) — PCDA(P), Draupadi Ghat.

• 5. Premier National Institutes: MNNIT Prayagraj (1961 — 1st in India to start B.Tech in Computer Science in 1976-77), IIIT Prayagraj (Jhalwa, 1999), Harish-Chandra Research Institute (HRI — Jhunsi, 1975, under DAE), Govind Ballabh Pant Social Science Institute (Jhunsi, 1980), Motilal Nehru Medical College (1961), UP Rajarshi Tandon Open University (UPRTOU, 1999 — UP’s only Open University!), SHUATS (Naini, 1910 — oldest agricultural institute), and Allahabad Museum (1931 — National-level museum at Azad Park).

12. Special Facts & Exam Traps (Quick Revision Box)