KJo thanks teacher Aditya Chopra

For Karan Johar, Aditya Chopra is his first film teacher and on the occasion of Teacher's Day Wednesday, he took to the social networking site Twitter to thank his mentor.

"Aditya Chopra was my film teacher... he made me realise my passion for the movies!!! He is the reason I am here today... thank you Adi!!!" Karan tweeted.