East and North East Himalaya is one of the epicenters of various cultural resources. The tribals of East & North East Himalayas are of Indo-European and Tibeto-Burman origin. Each state of North East has different communities and they have their own culture and customs, fairs and festivals, etc. In Sikkim, the major communities are Lepchas, Bhutias, and Nepalis. In Assam the major communities are Boro, Dimasa, Chutia, Sonowal, Tiwa, Garo, Rabha, Sarania Kachari, Hajong, Tripuri, Deori, Thengal Kachari, Hojai, Koch, etc. In Meghalaya, the resident communities are Garo, Khasi, Jaintia and Hajong, Koch, Rabha, Etc. In Manipur the major populations are Aimol, Anal, Chiru, Chothe, Gangte, Hmar, Koirao, Koireng, Kom, Lamgang, Mao, Maram, Maring, Meitei, Monsang, Moyon, Paite, Tangkhul, Tarao, Thadou, Vaiphei, Zeliangrong etc. Also Vaishnavism has a great impact in Manipur. There are many people who followed Vaishnavism and it is also reflected in their culture, for example, the Manipuri Dance, specially the Ras Lila performance. Nagaland is a very important state with a diversity of different ethnic populations like Angami, Ao, Chakhesang, Chang, Khiamniungan, Kuki, Konyak , Lotha, Phom, Pochury, Rengma, Sangtam, Sumi, Yimchungru and Zeliang. Mizoram has five major ethnic groups like Lushei, Ralte, Hmar, Paihte, Pawi and also has eleven minor tribal communities. Tripura also has a very unique diversity of ethnicity and the state is the place of residence of Tripuri, Riang, Jamatia, Noatia, Uchai, Chakma, Mog, Lushai, Kuki, Halam, Munda, Kaur, Orang, Santal, Bhil, Bhutia, Chaimal, Garo, Khasia, and Lepcha communities and so on. In the northern part of West Bengal also many ethnic communities are staying and they are Rava, Mech, Toto, Bhutia, Nepali, Lepcha, etc.
Based on the availability of various ethnic communities the region is very unique for its cultural heritage which is a rare experience for a traveler.