This text provides an introduction to the main schools of Indian philosophy within both the Hindu and Buddhist traditions. It analyzes the schools' different doctrines and compares their approaches to specific philosophical topics - ontology, epistemology, perception, consciousness, and creation and causality. It also looks at contributions by individual thinkers, such as Bhartrhari who helped introduce linguistic analysis into Indian philosophy; and Asanga the believed founder of the Yogacara or ''Practice of Yoga'' school.