Q. Consider the following pairs in the context of Indian philosophy:
  1. Madhvacharya - Dvaita doctrine
  2. Adi Shankaracharya - Advaita doctrine
  3. Ramanujacharya - Vishishtadvaita doctrine
Which of the above pairs is / are correctly matched?

Answer: 1, 2 and 3
Notes: Madhvacharya propounded the Dvaita (dualism) doctrine, Adi Shankaracharya established the Advaita (non-dualism) school, and Ramanujacharya formulated the Vishishtadvaita (qualified non-dualism) philosophy. All three pairs are correctly matched, each representing a major Vedanta school and its chief proponent in Indian philosophy.