Anirudh Ravichander is composing music for the filmThe first look featured a bespectacled Sivakarthikeyan in a crisp formal attire sitting on a chair with bloody gloves and a scalpel in his hands.Doctor will be Anirudh's sixth film that stars Sivakarthikeyan as the lead.The film, according to Nelson, will have the elements of an action, thriller, and comedy.Here are a few stills from the shooting spot and the film's photoshoot....Here