Kolkata:  The health of West Bengal Chief Minister Mamata Banerjee’s mother Gayetri Banerjee deteriorated further on Wednesday.

"Her condition still remains critical. Sometimes her condition becomes stable and sometimes not. She is on life support in the ICU," said Sushanta Banerjee, Director of Medical Education.

Gayetri Banerjee, 81, was admitted to the SSKM Hospital on Friday and underwent dialysis following which she was on a life support system. A medical board formed under R Pande is monitoring her condition.

Sources said that the Chief Minister visited her mother at the hospital during the daytime.