85-year-old spiritual leader remained on life support system in the Sathya Sai super specialty hospital at Puttaparthi, Anantapurdistrict, 150 km from Bangalore.
"Baba is still in a critical state of health.'s vital systems, including the liver, shows a minimal response to treatment, which is causing concern for doctors, " said the bulletin issued by a doctor from the hospital on Tuesday.
According to the director of the hospital Safaya, Baba is still on artificial ventilation and CRRT (continuous renal replacement therapy), dialysis system.
"His blood pressure continued to show periodic fluctuations, which is being corrected by appropriate medication. panel of doctors attending Bhagawan Baba on it intently, ongoing supervision of the health parameters, " added the statement.
For the first time since Baba was admitted to hospital on March 28medical bulletin did not call his condition as stable, an indication of its deterioration.
Sathya Sai Baba, seen as the incarnation of God by millions of his devotees in India and abroad and has made three weeks of treatment in the hospital.
He was received on March 28 with an irregular heartbeat, but later said that doctors with multiple organ dysfunction.