The health condition of veteran communist leader and former West Bengal Chief Minister Mr. Jyoti Basu remains critical but stable. <br/><br/>According to a medical bulletin released by the AMRI hospital at Salt Lake City in Kolkata, Mr.Basu's pulse and heart beat rates are slightly irregular. His urine output has been normal after a dialysis carried out on him last evening. He will receive another dialyses on Friday. <br/> <br/>Mr.Basu does not have fever but all organs are not working to their full efficiency. Mr.Basu is still on ventilator in the ICU.