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TheRaichur Doab is aDoab, in this case the triangular region of land in the southern Indian states ofTelangana andKarnataka lying between theKrishna River and itstributary, theTungabhadra River. The doab is named for the town ofRaichur in theRaichur District. The Raichur Doab is considered to be very fertile because of the sediments carried by Krishna and Tungabhadra rivers.The doab includesRaichur district andKoppal district in Karnataka, andGadwal district in Telangana.Some areas of Raichur doab also called as Nadigadda region became a part of Telangana during Andhra Pradesh Reorganisation Act in 2014.Those areas are Gadwal, Alampur and Maganoor. Gadwal is one of the 31 districts of Telangana State.
Hatti Gold Mines: Situated in Hatti ofLingasugur taluk, is currently the only working gold mine in India.Evidently, it is one of the oldest mines dating back to Pre Ashokan times. During late 19th century, the gold mines were rediscovered.
Raichur Thermal Power Station at Deosugur, commissioned in 1986 was the first coal fired thermal electric power station to be established in the state. It accounts for 40% of electricity, generated in Karnataka.
Raichur Doab has the fertile tracts of deposits fromKrishna River and its tributaryTungabhadra.
Sindhanur andGangavati along withSiruguppa produces largest amount of paddies inKarnataka.
Raichur district ranks first in Mosambi /Sweet Lime production in the state.[1]
Thedoab, named afterRaichur is formed byKrishna River in the North andTungabhadra river in the South. It lies within theDeccan Plateau region ofBayalu Seeme.
Raichur Doab is inhabited since the Prehistoric cultures.[2] The early village settlements during theNeolithic andIron age are base for sedentary lifestyles in Raichur Doab, and they exhibit rich faunal ecology of the region through rock art.[3] During ancient period, the region was part ofMaurya Empire as its southern capital wasKanakagiri.
An edict of emperorAshoka discovered in the town ofMaski, was an important discovery as it solved the mystery of the title 'devanampriya' which was found in many inscriptions scattered throughout the subcontinent. TheMaski edict had the name ofAshoka written along 'devanampriya' (Beloved of the Gods).[4]
After Mauryan empire, the doab came under the control ofShatavahana dynasty which ruled over central and eastern Deccan. Later in the early medieval period,Chalukyas of Badami,Rashtrakutas andKalyani Chalukyas ruled over the Raichur doab region.In the subsequent centuries, the region was ruled byKakatiyas of Warangal andHoysalas before being conquered and annexed by theDelhi Sultanate.
AsBahmani Sultanate was established atGulbarga in 1347 AD, the region of Raichur doab was fiercely contested and bloody battles were fought over the forts ofMudgal andRaichur between theBahmanis andVijayanagar empire. Forces of Vijayanagar empire underKrishnadevaraya won the decisiveBattle of Raichur in 1520 CE againstSultanate of Bijapur, and pushed across the Krishna river. But these short-term gains were decisively reversed when a confederate alliance ofDeccan Sultanates defeated the Vijayanagar empire atBattle of Talikota in 1565 CE.
During late 17th century, the region came under theMughal Empire and then passed into the rule of their successors underNizam of Hyderabad. It remained under theHyderabad State until 1948 when the princely state was annexed by the Indian Union.
During reorganisation of states on linguistic basis in 1956, the eastern part of the doab,Gadwal was incorporated in the state ofAndhra Pradesh (currently inTelangana). The remaining part of the doab that formed Raichur district was incorporated inMysore State (Renamed as Karnataka in 1973).In 1998, a new district of four talukas was formed withKoppal as administrative headquarter.