Indology or South Asian studies is the academic study of the history and cultures, languages, and literature of India and as such is a subset of Asian studies.
Specifically, Indology includes the study of Sanskrit literature and Hinduism along with the other Indian religions, Jainism, Buddhism, Sikhism, and Pāli literature. Dravidology is the separate branch dedicated to the Dravidian languages of South India. Hindu texts in Dravidian languages are considered disciplines in Indology.
Indology Facts for Kids. Kiddle Encyclopedia.