The Vinay Pathak-starrer "Chintu Ka Birthday" is all set to release. The makers have decided to go ahead and launch the modest-budget film on OTT. "Chintu Ka Birthday" also features Seema Pahwa, Tillotama Shome, Reginald Barnes, Nate Scholz, Vedant Raj Chibber, Bisha Chaturvedi, Khalid Massou and Mir Mehroos.