Identify the clause in the highlighted portion of the given sentence.
Can you tell me who wrote the Panchtantra?

Correct option is B

The highlighted portion is a Noun Clause.
Explanation:
The clause “who wrote the Panchtantra” functions as the object of the verb ‘tell’, answering the question “tell me what?”. Since it performs the function of a noun, it is a noun clause.
Grammatical rule used:
· A noun clause acts as a subject, object, or complement in a sentence.
Example:
I know what he did yesterday.
Information booster:
Wh-words like who, what, when, where, why, how commonly introduce noun clauses in indirect questions.