The correct answer is C. Assam.
Tropical evergreen forests are a type of tropical rainforest that occurs in areas with a warm, humid climate. They are characterized by a dense canopy of trees that are evergreen, meaning they keep their leaves all year round. These forests are home to a wide variety of plants and animals, including many species that are found nowhere else in the world.
Assam is a state in northeastern India that is home to some of the largest remaining areas of tropical evergreen forest in the country. These forests are found in the foothills of the Himalayas and in the Brahmaputra Valley. The forests are an important source of timber, fuelwood, and other forest products. They are also home to a number of endangered species, including the Asian elephant, the tiger, and the rhinoceros.
The other options are incorrect because they do not have large areas of tropical evergreen forest. Himachal Pradesh is a state in northern India that is home to a variety of forests, including temperate forests, subalpine forests, and alpine forests. Madhya Pradesh is a state in central India that is home to a variety of forests, including tropical deciduous forests, savannas, and grasslands. Tamil Nadu is a state in southern India that is home to a variety of forests, including tropical deciduous forests, semi-evergreen forests, and dry deciduous forests.