Conversation between teacher and pupils - In class room

Pupils : Good morning, teacher!
Teacher : Good morning children. Please sit down. How did you enjoy the science fair yesterday?
Pupils : (in chorus) It was wonderful.
Teacher : Malar, which stall impressed you most?
Malar : The one put up by the agriculture department.
Teacher : What about you, Kamal?
Kamal : I liked the stall wherein there were portraits of
Indian scientists.
Teacher : Can you name a few scientists?
Kamal : Sir, C.V. Raman, Jagdish Chandra Bose.
Rahman : G.D. Naidu
Teacher : Good. G.D. Naidu was an inventor with a difference. He belongs to Tamil Nadu.