"Last night, Chavan held a high-level meeting with the chief secretary and top police officers. Since this morning, he is in constant touch with family members of the Sena chief," official sources said.
Chavan has not taken up any other engagements, they said.
Meanwhile, Sena spokesman Sanjay Raut said Thackeray was not on life support system at present. "Life support system was required last night but not today," he told reporters.
No health bulletin regarding the Sena patriarch's condition has been issued so far.