Why is Vijay, Atlee in Dubai?

Actor Vijay and filmmaker Atlee are in Dubai now. Reports say that they have been to Dubai to celebrate the success of their recent release Mersal in Dubai. Mersal, directed by Atlee starring Vijay was a blockbuster. Released for Deepavali, the movie managed to collect over rs 200 crore. Remember the controversial dialogue on GST in the film incurred the wrath of Tamilnadu BJP leaders. War or words between the makers and the politicians won the movie more audience. Mersal had music by A R Rahman. Samantha, Nithya Menen, Kajal Agarwal, Vadivelu and S J Suryah played key roles.