East of India is comprised states of Bihar ,Jarkhand, Orissa, West Bengal, Sikkim,.and the seven sisters of  Assam, Meghalaya, Arunachal Pradesh, Manipur, Mizoram, Tripura. Lord Buddha's  name can be associated with the state of  Bihar, he did spend his most of his life in Bihar and he was enlightened in Bihar. Bihar gave Indai great Kings like Chandragupta Marya and Ashoka and of course the very first president of independent India Mr.Rajendra PrasadBengal is full of cultural activities,great scholars,.peots and the first noble prize winner was Rabindernath Tagore.Calcutta the joy city is the second largest populated city in the world.understanding seven sisters of north -east west its great cultural background hundrdeds of ethnic groups, lot of nutral resources. It ids mini India when you talk in terms of unity and diversity. East Indai can produly call itself tea pot of the world. Nepal and Burma share its borders with east India.