The United State's Consul General in Kolkata, Craig L Hall said that though China repeatedly claims Arunachal Pradesh to be its part, the US Govt is very clear that Arunachal is an integral part of India. The Consul General said this while calling on Chief Minister Kalikho Pul at his office on Thursday.<br/><br/>He said US companies are keen in developing North East economy and invest in hydro-power and tourism. He also informed the Chief Minister about educational exchange programmes for teachers between India and the United States, and said the teachers and professors from the state can take advantage of the programme.