Kerala Governor Justice (retd) P. Sathasivam on Saturday underwent surgery for gall bladder stone at Gem Hospital here.

Sathasivam (68), who developed mild pain, was diagnosed for stone in the gall bladder and got admitted to the hospital this morning.

A team led by Gem Hospital Chairman Dr. C. Palanivelu performed robotic surgery on Sathasivam, hospital sources said.

Sathasivam is doing fine and having normal diet and will be discharged tomorrow, they said.