सी1, ए3: The second letter that Raja has to deliver is to scientist Dr. Isaac. The letter is written by Dr. Issac's wife who leaves him for his negligence when he fails to take care of her while she is pregnant. What happens when Raja and his daughter Rajini take the letter to Dr. Isaac who's now old and has developed a dissociative personality disorder? Incidentally, Rajini tells Raja that she is adopted and seeks information about her real parents. Raja, unable to recover any information, passes out.