Jagjit Singh's Bollywood colleagues like singers Sonu Nigam and Shreya Ghoshal as well as friends like actors Amitabh Bachchan and Anupam Kher have wished a speedy recovery for the ghazal maestro, who is critical after undergoing surgery for brain haemorrhage at a Mumbai hospital

The 70-year-old singer was operated at the Lilavati Hospital Friday, when he was scheduled to sing with Pakistani ghazal king Ghulam Ali at a concert.