New Delhi, May 10 (IANS) Ghazal maestro Jagjit Singh has undergone heart surgery at the Escorts hospital here, a doctor said Saturday.

According to sources at the Escorts Heart Institute and Research Centre, the singer came to the hospital earlier this week with chest pain. "He has undergone surgery and is recovering fast," a senior doctor said.

Doctors declined to divulge details.

The 66-year-old singer, who has been ailing on and off for a few months, was admitted to the Intensive Care Unit of the Bombay Hospital in Mumbai in October.

Singh, one of the best known ghazal singers in the country, has a number of albums to his name. He has also sung for scores of Hindi films.

Some of his memorable ghazals are 'Hontho se chhoo lo tum, mera geet amar kar do', 'Jhuki jhuki si nazar', 'Tumko dekha to' and 'Tum itna jo muskura rahe ho'.