Santa: What's the name of our PM?
Pappu: We don't have a PM in our country.
Santa: Shut up! Tell me the name of our PM?
Pappu: Okay dad, first you tell me the model no. of our typewriter?
Santa: We don't have a typewriter.
Pappu: We have one in the store-room.
Santa: Oh... that one. We do have but that's not of any use why should I remember it's model no?
Pappu: My point exactly.