Actor Hemu Adhikari, known for his cameo appearance in Rajkumar Hirani's 'Lage Raho Munna Bhai', passed away at 81 due to a lung ailment at his residence in Dadar, Mumbai on Monday. Hemu was suffering from a lung infection for the past one-and-a-half years. The actor was also known for his contribution to Marathi theatre.