Former Minister P Shankar Rao has tendered resignation to the Congress party as he was upset over denial of Shadnagar MLA ticket. The high command allocated Shadnagar Assembly constituency ticket to Pratap Reddy. He is leaving for Delhi to hand over an open letter to Congress President Rahul Gandhi explaining lapses in the selection of candidates for elections. He won as MLA three times and served as Minister in YS Rajasekhara Reddy’s cabinet. According to sources, he will be joining Samajwadi Party soon.