AR Rahman Hits. Ottagathai Kattiko Video Song from Gentleman Tamil Movie. Gentleman movie ft. Arjun and Madhoo / Madhubala. Music by AR Rahman, directed by Shankar and produced by K. T. Kunjumon. Shankar's Gentleman also stars Goundamani, Senthil, Subhashri, Vineeth, Manorama and Charan Raj among others. Song: Ottagathai Kattiko...