The correct answer is (a) Sal.
Sal (Shorea robusta) is a large deciduous tree native to the Indian subcontinent. It is the state tree of Uttarakhand. Sal trees are found in the foothills of the Himalayas and in the Terai region. They are an important part of the forest ecosystem and are used for a variety of purposes, including timber, fuelwood, and fodder.
Teak (Tectona grandis) is a large, evergreen tree native to Southeast Asia. It is a valuable timber tree and is also used for making furniture, flooring, and other products. Teak trees are not found in Uttarakhand.
Buransh (Rhododendron arboreum) is a large, evergreen shrub or small tree native to the Himalayas. It is a popular ornamental plant and is also used in traditional medicine. Buransh trees are not found in Uttarakhand.
Brahma Kamal (Saussurea obvallata) is a small, herbaceous perennial plant native to the Himalayas. It is a sacred flower in Hinduism and is also used in traditional medicine. Brahma Kamal flowers are not found in Uttarakhand.