Santa: Qutub Minar kahan hai? Pappu: Pata nahi. Santa: Kabhi ghar se nikla karo. Pappu: Ram Lal kaun hai? Santa: Pata nahi. Pappu: Kabhi Ghar me bhi raha karo.
Human brain is the most outstanding object in world. It functions 24hrs a day, 365days a year. It functions right from the time we are born, and stop only when we enter the examination hall.