Bengaluru: Soon after Siddharamaiah and Dinesh Gundu Rao stepped down as Opposition leader and KPCC President respectively, senior Congress leader and former Minister D.K. Shivakumar (DKS) and another former Minister M.B. Patil are said to have started lobbying for the KPCC President post, the top-most position in the Congress party in organisational matters.  While Shivakumar…