Terai has good facilities for irrigation so people there are involved in the cultivation of tropical and subtropical crops like paddy, mustard, tobacco, and sugarcane
The Himalayan Region has harsh climate and difficult land topography, so only 4% of people are engaged in agriculture.
Facilities of transport and communications are highly extended in the Terai Region, as the land topography, there is leveled and comfortable.
Socio-economic conditions are most difficult in the Himalayan Region.