Celebrity Western WearEventsShantanu & Nikhil Sushmita Sen in Shantanu and Nikhil Gown By southindiafashion - Sep 16, 2015 Sushmita Sen attended the Tresemme launch event in Dhaka in a Shantanu and Nikhil red gown which looked spectacular on her! She accessorized it with a gold hand-cuff.