Ayushmann Khurrana and Pallavi Sharda were spotted at the trailer launch of their upcoming film "Hawaizaada" on Tuesday in Mumbai. The film, which also features Mithun Chakraborty, is based on the life of scientist Shivkar Bapuji Talpade who constructed India's first unmanned plane. Vibhu Puri's directorial is inspired by real life incidents and is scheduled to release on 30 January next year.