kuppuswamy?

During work, Raman and Narayan were chatting: Raman: Narayan, I've been attending night classes for 5 months now and I have an exam next week. Narayan: oh! Raman: For example, do you know who is Graham Bell? Narayan: No Raman: He's the inventor of the phone in 1876; if you take night Courses you...