President Pranab Mukherjee has been informally telling BJP ministers including Arun Jaitley and Rajnath Singh that he would like to append his approval and seal his signature on the the Goods and Services Tax bill when it is submitted to him for approval in the June. The GST Bill most likely is the last file the outgoing president will sign on.  Pranab Mukherjee wants the GST should be passed during his tenure.