Notorious serial killer Charles Sobhraj, a Frenchman of Indian and Vietnamese parentage who has been in Nepal's jail for years, today underwent a successful open heart surgery in Kathmandu. He had recently fainted in the Central Jail, Sundhara, where he has been kept in confinement for the last 12 years.<br/><br/>Sobharaj is serving a life-term in the Kathmandu jail since 2003 for the murder of US woman Connie Joe Bronzich in 1975. A life-term in Nepal means 20 years in jail. He had been linked to multiple killings of backpackers.<br/><br/>Sobhraj spent 21 years in jail in India with a brief 22-day break in 1986 when he escaped Tihar Jail after drugging security guards, whom he had served sweets on the pretext of celebrating his birthday.