MUMBAI: Megastar Amitabh Bachchan was on Saturday admitted to hospital here after he complained of stomach ache due to suspected incisional hernia, giving anxious moments to fans on his 66th birthday.

Bachchan, wearing a brown woolen cap and a blue sweatshirt, was first rushed in an ambulance to nearby hospital from his residence 'Jalsa' in Juhu for a check up and scan and was later admitted.

The actor was suspected to be suffering from incisional hernia, a recurring problem that has been troubling him since the near-fatal accident on the sets of 'Coolie' in 1982, but there was no immediate confirmation from family or doctors attending on him.

Sources said the Big B, who was shooting for 'Teen Patti' till on Friday, had taken ill in the night and complained of abdominal cramps.

A large number of fans and media persons, who gathered outside the actor's house on his birthday were shocked to see an ambulance taking the actor on a stretcher accompanied by son Abhishek to the hospital.

Bachchan's daughter Shweta Nanda, daughter-in-law Aishwarya Rai and family friend and SP leader Amar Singh followed the ambulance in a car.

Bachchan underwent a surgery on November 30, 2005 for abdominal infection`Diverticulosis'.