1. Purvanchal is located in the eastern end of Uttarpradesh. It is also regarded as the extension of the Himalayas in the North east.
2.Purvanchal forms a part of Indo- Gangetic plain.Soil is very fertile and suitable for agriculture unlike the limited vegetation that Himalayas offers due to its snow cover.
3..Purvanchal makes possible intensive agriculture. The forest are dense with rich flora and fauna whereas Himalayas are home to a number of highest peak in the world. Most of them are snow covered, unlike the Purvanchal hills.
4. Purvanchal receives highest rainfall. It hosts Mawsynram and Cherrapunji know for their highest annual rainfall. Himalayas only act as barrier to cause orographic rainfall.