Megastar Amitabh Bachchan's hectic shooting schedule in Bhopal for "Aarakshan" is proving to be quite a learning experience.

"Saif (Ali Khan) introduces me to a cool application on iPad - 'Rehearsal'. Particularly useful for us (artists) in reading scripts, making comment, " Amitabh wrote on microblogging site Twitter.

The film based on the sensitive issue of reservations is being directed by Prakash Jha and stars Deepika Padukone apart from Saif.