evidence: Updated to reflect information on the northeastern states. [...] Ethnic insurgent groups occasionally commit acts of violence in parts of the northeast. These incidents include bombings of buses, trains, rail lines, and markets. There have been no recent reports of violence in Assam, Nagaland, Arunachal Pradesh, Mizoram, Sikkim, or Tripura. U.S. government employees traveling in India require prior approval before visiting the states of Sikkim, and Arunachal Pradesh, as well as when visiting any areas outside of the capital cities of Assam, Mizoram, Nagaland, Meghalaya, and Tripura.