'Chiyaan' Vikram will be celebrating his birthday on Sunday and a special treat has now been unveiled for fans ahead of the celebrations. In light of the National Award-winning actor's big day, blockbuster production house Seven Screen Studio has now released a special poster from his upcoming film Cobra, which has been directed by Ajay Gnanamuthu and features music by Academy Award winner A. R. Rahman. Vikram looks his elegant best in the new poster, with the team also revealing on Saturday evening that the second single announcement from Cobra will be out tomorrow. Check out below the double Cobra reveal: