Answer:

Hilly states in India harbor diverse biodiversity and culture. For centuries, these areas have experienced harmonious co-existence with the environment. However, exodus of highland people to the plains in search of livelihood opportunities has become a major problem. For example of the 13 districts of Uttarakhand, migration has hit nine hill districts over the last decade. According to 2011 census, two hill districts, Pauri and Almora, has a negative growth in population.