Kollywood birdies are now going abuzz that ace director Shankar and actor Vikram will join hands yet again for a blockbuster. "Both Vikram and Shankar always wanted to work together again. Now that Shankar's Nanban has hit the screens and Vikram is expected to complete his commitments by September, they are likely to join hands after that," sources say. Vikram is currently busy with the shooting of 'Thaandavam' with director Vijay and 'Karikalan' helmed by L I Kannan. "Shooting for both the movies are on in full swing and they would get over one after one," sources in the know say. Vikram also has 'David' up North.