Arunachal Pradesh is one of our greenest states with a large part of it covered with forests. You'll see only forest-based businesses here — like timber yards and saw mills, no large manufacturing industry.Nearly 80 per cent of the population is engaged in agriculture. The main crop is rice. Maize, millet and pulses are some of the other crops grown in Arunachal Pradesh.You could walk miles without seeing anyone. Population density is the lowest in Arunachal Pradesh with only about 10 people per square kilometre. As Arunachal Pradesh is a strategically important border state-with Bhutan, China and Myanmar as neighbours-foreign tourists have restricted access. However the government is trying to promote eco-friendly tourism in some parts of the state.Arunachal Pradesh Fact File:Area : 83, 743 sq.km. The largest state in the north-east. Population : 10,96,702. Tribals constitute seventy nine per cent of the population (Mongoloid and Tibeto-Burmese in origin). Languages : Tribal dialects—Hill Miri, Monpa, Nishi, Sherdukpen, Mishmi, Apatani, Wancho, Dafla, Khamti. Capital : Itanagar in the foothills of the Himalayas. It has been identified as Mayapur, the 14th century historic city of the Jitri dynasty. Towns : Bomdila at a height of 2,530 metres has apple orchards and Buddhist monasteries, the Gompas.Dirang has apple orchards, sheep-breeding farms and the Kalachakra Gompa.Tawang is a place of Buddhist pilgrimage and a trout-farming centre. Geography :Stretching from the snow-capped eastern Himalayas, at an altitude of 6,000 metres, to the plains of the Brahmaputra valley, Arunachal Pradesh lies at the country's north-eastern tip, surrounded by Bhutan, China and Burma. Assam lies to its south.Rivers :Kameng, Subansiri, Siang (later Brahmaputra in Assam), Lohit and Tirap. Climate : Varies according to altitude. Upper regions : Winters are cold and humid. Summers are short. Rainfall : 400 cm annually. Forests cover two-thirds of the state and are abundant in orchid species some of which are among the world's rarest.