Bollywood superstar Amitabh Bachchan will undergo surgery for abdominal pain on February 11.

The 69-year-old actor revealed on his blog that the surgery is likely to take place on Saturday.

"There were some medical procedures today as well, for, and this is being disclosed to the Ef (extended family) at this point of time, a surgery that I shall be undergoing on the 11th morning. I do not wish to talk much on my medical condition, but trust and faith in my FmXt allows me to do so. The surgery they say is not too complicated, but then all doctors say the same as you end up on the operating table, and before long the details and the subsequent anxieties begin to rise," he wrote.

"There has been a dosage of injections intravenous that began to day and shall continue for a few days .. a pain in the abdomen has to be investigated tomorrow under a CT Scan and then and only then shall the ok for the surgery be given ... so the next few weeks shall be full of nothing else but the hospital and medical bulletins .. boring it may be but it shall be as informative as possible ," he added.

The actor said that his stomach has been giving him hard time for quite a while now.

"My stomach, which has already been the bed of many complicated battles in the past, shall have to entertain this as well. It's a war zone, my body, and one which has been through a great deal and still does," he wrote.

The superstar promised to keep in touch with his fans around the world through some medium during this period of convalesces. He added that people should understand him even if he can't connect with them.