Birbal Kaun Tha…?

Sir – “Birbal Kaun Tha?”
Student – “Pata Nahi Sir”
Sir – “Padhaai Par Dhyaan Do To Na Pata Chale”
Student – “Nikul, Ashok, Anil Kaun Hai?”
Sir – “Mujhe Kya Pata”
Student – “Beti Par Dhyaan Do To Na Pata Chale”.