KOLKATA: Hundreds of worried fans of ailing Bollywood megastar Amitabh Bachchan today performed a yagna here to pray for his speedy recovery.

"We are using the auspicious occasion of Maha Shivratri to pray to Lord Shiva to help him recover painlessly from his health problems," Sourav Banerjee of Amitabh Bachchan Fans Association of Kolkata, told.

Dressed in traditional attires, hundreds of fans carrying the actor's posters thronged the Ekdaliya Evergreen Park in the afternoon for the hour-long yagna.

Ever since the news of Big B's health problems broke, his admirers here, who have also built a temple for him in south Kolkata, have been a worried lot.

"We have been praying for his health and well-being ever since and are constantly monitoring media reports on his health," Banerjee said.

Another of his fan blamed the actor's "workaholic nature" for his medical condition.

"He has delivered hits after hits all his career and at this age of his life his body needs rest," said 32-year-old Goutam Basak adding that they are planning a gala celebration when the superstar returns home from hospital.

On February 11, 69-year-old Bachchan underwent an abdominal surgery but after he complained of acute pain, his stay at the hospital had to be extended.

Currently recuperating at the Seven Hills hospital, Big B's health is now said to be improving.