Puttaparthi: Spiritual guru, Sathya Sai Baba health condition continued to be critical but stable, doctors attending on him said on Monday.

A health bulletin issued by the Sathya Sai Institute of Higher Medical Sciences informed that most of his indices of the functioning of the organs and vital parameters continue to be nearly normal.

However, the condition of his liver and occasional spells of low blood pressure continues to worry the treating doctors, the bulletin said.

"The overall condition of Sai Baba still continues to be critical. However, the panel of doctors treating him is watching his health round-the-clock and satisfied with the response, it said.

86-year-old Sai Baba was hospitalised on March 28 following problems related to heart and respiration.