Indian philosophy, the systems of thought and reflection that were developed by the civilizations of the Indian subcontinent.
They include both orthodox (astika) systems, namely, the Nyaya, Vaisheshika, Samkhya, Yoga, Purva-Mimamsa (or Mimamsa), and Vedanta (Advaita, Dwaita, Bhedbheda, Vishistadvaita), and unorthodox (nastika) systems, such as Buddhism, Jainism, Ajivika, Ajnana, Charvaka etc.
Indian thought has been concerned with various philosophical problems, significant among which are the nature of the world (cosmology), the nature of reality (metaphysics), logic, the nature of knowledge (epistemology), ethics, and the philosophy of religion etc.
Some of the most famous and influential philosophers of all time were from the Indian Subcontinent such as Buddha, Nagarjuna, Adi Sankara, etc.
[1][2][3] This list is until 14th century CE.