The correct answer is A. Kangra.
The Kangra school of painting is a style of Indian painting that flourished in the Kangra Valley of Himachal Pradesh from the 17th to the 19th centuries. It is one of the most important schools of Indian painting, and its style has had a profound influence on other schools of Indian art.
The Kangra school of painting is characterized by its use of bright colors, its delicate brushwork, and its depiction of Hindu and Buddhist themes. Its most famous paintings are those of the life of Krishna, the eighth avatar of Vishnu.
The Kangra school of painting declined in the 19th century, but it has experienced a revival in recent years. Today, there are a number of artists who are working in the Kangra style, and their work is highly sought after by collectors.
The other options are incorrect because they are not schools of Indian painting.
Option B, Chamba, is a school of Indian sculpture.
Option C, Kullu, is a valley in Himachal Pradesh.
Option D, Basholi, is a town in Himachal Pradesh.