Super fun Trailer of much awaited movie Tumhari Sullu is out starring Vidya Balan, Manav, Neha Dhupia and RJ Malishka in her debut. Trailer is having glimpses of superhit song Hawa Hawai of Sridevi from Mr. India. During the launch when asked about whether Sridevi will join to launch the song, this is what Vidya Balan has to say. Watch the video to know more about Sridevi launching the song and how Vidya feels performing on the hit number of Sridevi, being her huge fan.