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The Gangetic Plain — India's Breadbasket

Deep dive into the sub-regions of UP's Gangetic Plain — Upper Doab, Middle Doab, Lower Doab, Rohilkhand, Awadh, and Eastern Plains with soil, crops, and irrigation details for UPSSSC AGTA.

Introduction

The Gangetic Plain covers approximately 90% of Uttar Pradesh’s total area and is one of the most fertile agricultural regions in the world. Formed by alluvial deposits of the Ganga-Yamuna river system over millions of years, this plain sustains the livelihoods of over 20 crore people.


Formation & Geology

The Gangetic Plain is a tectonic trough (foredeep) formed between the northward-moving Indian Plate and the Himalayan mountain system. Over time, rivers deposited enormous quantities of alluvium — silt, sand, clay, and gravel — creating one of the deepest and most fertile sedimentary basins on Earth.

FeatureDetail
Depth of alluviumUp to 2,000 m near foothills, thins toward south
SlopeGentle — NW to SE (~20 cm per km)
Soil typeAlluvial — Bangar (old) and Khadar (new)
GroundwaterAbundant; major source of irrigation

Sub-regions of the Gangetic Plain

1. Upper Doab (ऊपरी दोआब)

The region between the Ganga and Yamuna rivers from Saharanpur to Aligarh.

ParameterDetail
Key DistrictsSaharanpur, Muzaffarnagar, Meerut, Baghpat, Ghaziabad, Aligarh
Elevation250–280 m
SoilNew alluvium (Khadar) along rivers; Bangar on higher ground
Major CropsSugarcane, wheat, rice, vegetables
IrrigationUpper Ganga Canal, Yamuna Canal; high tubewell density
Special FeatureHighest agricultural productivity zone in UP

The Upper Doab is also called the “Sugar Bowl of UP” due to the concentration of sugarcane mills.


2. Middle Doab (मध्य दोआब)

Stretches from Aligarh to Kanpur between Ganga and Yamuna.

ParameterDetail
Key DistrictsEtah, Mainpuri, Farrukhabad, Kannauj, Kanpur Dehat
Elevation150–250 m
SoilMixed Bangar and Khadar; moderately fertile
Major CropsWheat, barley, potato, Kannauj roses (perfume/attar)
IrrigationLower Ganga Canal; tubewells
Special FeatureTransitional zone; Kannauj is the perfume capital of India

3. Lower Doab (निचला दोआब) / Trans-Yamuna

From Kanpur to Prayagraj where the Ganga and Yamuna finally converge.

ParameterDetail
Key DistrictsFatehpur, Kaushambi, Prayagraj
Elevation90–150 m
SoilPredominantly older alluvium (Bangar); patches of Usar soil
Major CropsWheat, gram (chickpea), pulses, oilseeds
IrrigationCanal irrigation less developed; reliance on tubewells
Special FeatureTriveni Sangam at Prayagraj (Ganga-Yamuna-Saraswati confluence)

4. Rohilkhand Plain (रोहिलखंड मैदान)

Located north of the Ganga in the western-central part of UP.

ParameterDetail
Key DistrictsBareilly, Moradabad, Rampur, Shahjahanpur, Budaun, Pilibhit
Elevation150–200 m
SoilRich alluvial; well-drained loamy soil
Major CropsRice, sugarcane, wheat, mango orchards
IrrigationWell-irrigated by Ramganga and tributaries; canals and tubewells
Special FeatureMoradabad = Brass City (Peetal Nagari); important mango-producing belt

5. Awadh Plain (अवध मैदान)

The central heartland of UP, historically the Awadh (Oudh) region.

ParameterDetail
Key DistrictsLucknow, Ayodhya, Sultanpur, Barabanki, Sitapur, Hardoi, Unnao
Elevation120–170 m
SoilDeep alluvial; mix of Bangar and Khadar; some Usar patches
Major CropsWheat, rice, sugarcane, mustard, potato
IrrigationSharda Canal system; extensive tubewell network
Special FeatureState capital Lucknow; Ayodhya — major religious and cultural center

6. Eastern Plain (पूर्वी मैदान)

The easternmost and wettest part of the Gangetic Plain.

ParameterDetail
Key DistrictsVaranasi, Gorakhpur, Azamgarh, Jaunpur, Ballia, Deoria, Mau
Elevation60–100 m
SoilNew alluvium (Khadar); highly fertile but flood-prone
Major CropsRice is the dominant crop; jute, maize, pulses
IrrigationGhaghra, Rapti, Gandak rivers; canal + tubewell
Special FeatureHighest rainfall in UP (150–170 cm); annual flood risk from Himalayan rivers

Crop Pattern Across Sub-regions

Sub-regionKharif (Summer)Rabi (Winter)Cash Crop
Upper DoabRice, milletsWheat, barleySugarcane
Middle DoabRice, jowarWheat, gramPotato, roses
Lower DoabRice, bajraWheat, gramPulses
RohilkhandRice, maizeWheat, peasSugarcane, mango
AwadhRiceWheat, mustardSugarcane, potato
Eastern PlainRice (dominant)Wheat, lentilsJute, vegetables

Groundwater & Irrigation

The Gangetic Plain holds one of the world’s largest groundwater reserves due to deep alluvial deposits.

Irrigation SourceShare in UP
Tubewells / Borewells~70% (largest share)
Canals~20%
Other (tanks, wells)~10%

Key Concern: Overexploitation of groundwater in western UP (Upper Doab) has led to declining water tables — classified as “overexploited” or “critical” by CGWB in several districts.


Key Takeaways

  • The Gangetic Plain covers ~90% of UP and is divided into 6 sub-regions
  • Upper Doab (Saharanpur–Aligarh) is the most productive; known for sugarcane
  • Kannauj in Middle Doab is India’s perfume capital
  • Prayagraj (Lower Doab) hosts the Triveni Sangam
  • Eastern Plain receives the highest rainfall and is rice-dominant but flood-prone
  • Tubewells provide ~70% of irrigation; groundwater depletion is a growing concern

Summary Cheat Sheet

Sub-regionKey DistrictsSignature Feature
Upper DoabMeerut, MuzaffarnagarSugar Bowl of UP
Middle DoabKannauj, FarrukhabadPerfume capital
Lower DoabPrayagraj, FatehpurTriveni Sangam
RohilkhandBareilly, MoradabadBrass City; mangoes
AwadhLucknow, AyodhyaState capital; cultural heart
Eastern PlainVaranasi, GorakhpurHighest rainfall; rice belt
Alluvium depthUp to 2,000 mNear Himalayan foothills
Top irrigationTubewells ~70%Groundwater-dependent

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