While shooting for one of Manoj Kumar's scene in late 70s in Titwala on outskirts of Bombay in a forest as there was no electricity those day in that region they used Petromaxes at night. One of the servants, pumped the lamp and it exploded.Manmohan who was lying down close by, was in his silk Kurta and Lungi which instantly caught fire. He suffered 80 per cent burns. The incident almost killed him he was hospitalized for six months and did not work almost for a year.