Sify wrote "Ramana's narrative and script are absurd and his attempt to make Dhanush a superstar material has failed miserably. Sullan is all sound and no fury". Malini Mannath of
Chennai Online wrote "Director Ramana, who gave a success with his debut film 'Thirumalai', seems to lose control over his script, characters and artistes from the early scenes itself. The whole scenario being crass and loud, subtlety seems to be the last thing on the director's mind." A critic from
The Hindu wrote that "Just because the role of a college goer from a lower middle class family suits Dhanush to a T, he should not be made to repeat the socio-economic scenario in film after film". Visual Dasan of
Kalki criticised the characters of hero, heroine and villain behaving like hyper active patients, concluding the film had no story or whatsoever.
Deccan Herald wrote "The director tries to project Dhanush as a super-man but with movies like Spider-man hitting the screen, Sullan pales in comparison". ==References==