Given below are Legal Principles followed by a Factual Situation. Apply the principles followed by a factual Situation. Apply the principle to it and select the most appropriate answer for question among the four choices given.
LEGAL PRINCIPLE: Hearsay evidence is no evidence.
FACTUAL SITUATION: Ravi and Rahul share a room in a youth hostel. One day, Rahul leaves the room and sees that his three friends Kunal, Abhishek and Bunty are quarrelling outside the youth hostel. Suddenly, Kunal stabs Abhishek with a knife. Rahul is horrified and returns to his room and tells about the incident to Ravi. After some time, the police reaches the hostel and asks question from students. The police asks questions to Ravi also. Ravi tells the police that Kunal stabbed Abhishek.
DECIDE.