Correct option is C
In Nyaya, one of the classical Indian schools of logic, the argument "Sound is eternal because it is audible" is considered fallacious. This is because the premise "Sound is audible" does not logically lead to the conclusion "Sound is eternal." The argument commits a fallacy known as "ignorance of cause," where the connection between audibility and eternity is not logically justified. In Nyaya, arguments are evaluated based on their logical validity, and this argument does not meet the criteria for sound reasoning. Hence, Statement I is correct
In classical Indian logic, the concept of "irregular middle term" typically refers to a situation where the middle term in a syllogism (the term that connects the subject and predicate) is not properly defined or is too broad, leading to an invalid conclusion. However, in the given argument, the issue is not with the middle term being too wide; instead, it's about the lack of logical connection between audibility and eternity. Therefore, Statement II does not accurately describe the fallacy committed in this argument according to classical Indian logic.