The chief minister conveyed her best wishes to Mukherjee and his family, the sources said.
Shortly after arriving at the secretariat Writers' Buildings, the chief minister tied a rakhi on the wrist of the liftman at the VIP lift.
Journalists, officers and ministers also wished the chief minister as she tied rakhis on the wrists of some of them.
Gorkha Janmukti Morcha leader Harkabahadur Chhetri also wished her on the occasion.
