According to classical Indian Philosophy, the source of knowledge based on cognition of an object similar to another one which is already known to the cognizer is known as:

Correct option is D

In classical Indian Philosophy, Upamana is the source of knowledge that comes from comparison or analogy. It involves recognizing an unfamiliar object based on its similarity to a known object.
· Upamana (Comparison/Analogy): This means that if a person has prior knowledge of an object, they can identify a similar, unfamiliar object based on this resemblance.
· If someone knows what a cow looks like and encounters an animal that resembles a cow, they may identify it by analogy as a similar animal based on Upamana.
Information Booster:
· Sabda: Refers to verbal testimony or knowledge derived from words or spoken communication, such as scriptures or authoritative texts.
· Pratyaksa: Refers to direct perception, knowledge gained through the senses.
· Anumana: Refers to inference, where knowledge is derived based on logical reasoning from observed premises.
Additional Knowledge: 1. Upamana is one of the six recognized sources of valid knowledge (Pramanas) in classical Indian epistemology.
2. It is commonly used in cases where new knowledge is derived by comparison with something familiar.
3. It is distinct from Pratyaksa (perception) and Anumana (inference), as it specifically relies on recognizing similarity to an existing knowledge base.