Lucknow, July 26: Condition of president of Ram Janmabhoomi Nayas Mahant Ram Chandra Paramhans Das is 'critical' and he has been put on ventilator, hospital sources said here today. "Mahant's condition is critical and he has been shifted to the intensive care unit and put on ventilator", sources at Sanjay Gandhi PGI said. Doctors had recently detected stones in the gall bladder of the Mahant, the sources said adding he was to be operated upon today but it had to be shelved owing to his ill health. A team of doctors were attending on the Mahant, the sources added. Bureau Report