Teaching is that profession,which gives birth to all other professions. With today being Teachers Day,lets go back in time and have a look at Bollywood actors who have immortalised avatars of educationists onscreen. Amitabh Bachchan: Big B has is well remembered for his act as the strict and no-nonsense Narayan Shankar in Mohabbatein. While in Black,he played an eccentric Debraj Sahai who gives new meaning of life to a deaf,blind and mute girl. The actor reprised the role of a teacher once again in Prakash Kha's Aarakshan,where he fought to bring about a change in the educational system. Shah Rukh Khan: Bollywoods 'Badshaah' Shah Rukh played a music teacher with a strong belief in love in Mohabbatein. The actor later took on a completely never-before-seen avatar when he reprised the role of a tough and inspiring hockey coach in Chak De India!. Aamir Khan: Aamir Khan is well remembered for his sensitive and loveable character Ram Shankar Nikhubh in directorial debut Taare Zameen Par. The film shows how a teacher goes beyond his job to connect with a child who suffers from dyslexia and help him make sense of his world. Rishi Kapoor: In Student of the Year,Rishi Kapoor essays the role of a college dean who in the end is not afraid to admit when hes wrong. Naseeruddin Shah: The highly talented Naseeruddin received acclaim for his performance as the fun teacher,Amar Verma in Sir. Naseeruddin Shah played a teacher who knew the balance between fun and study time with his students. In award winning Iqbal,Naseeruddin Shah once again played a former cricketer Mohit,who puts his heart and soul into training a deaf and mute boy to fulfil his dream of playing for his country. Sushmita Sen: Former Miss Universe Sushmita Sen added zing to the very portrayal of teachers onscreen in Main Hoon Na. Playing the role of a college chemistry professor,Sushmita has her students smitten as she strutted in her chiffon saris and low-cut blouses. Shahid Kapoor: Shahid Kapoor was seen playing the role of music teacher,Rahul Udyavar in Paathshala. His performance of a teacher who is able to unify with his students received appreciation. Boman Irani: After having played a strict medical college dean in Munnabhai M.B.B.S.,Boman Irani took on the role of an ambitious college dean Viru Sahastrabudhhe in 3 Idiots.