Shortly after tendering his resignation as the chief minister of Karnataka, Siddaramaiah left for New Delhi on Thursday, where he is likely to meet the Congress high command regarding his successor and the Cabinet formation exercise, official sources said.As per reports, his deputy and probable successor, DK Shivakumar, who is also the state Congress president, will also leave for the national capital later in the day.According to Siddaramaiah’s travel plan shared with the media, he will land in Delhi on Thursday night, and his return journey has been kept “open”.According to party sources, discussions related to selecting new legislature party leader, ministry composition, and other modalities, including the state Congress president post, which is currently held by Shivakumar, are likely to be discussed with the high command, during Siddaramaiah’s Delhi visit.Siddaramaiah submitted his resignation to the Governor’s Special Secretary at Lok Bhavan here.Special Secretary Prabhu Shankar received the resignation in the absence of Governor Thaawarchand Gehlot.Earlier in the day at a breakfast hosted at his residence for Cabinet colleagues, Siddaramaiah informed ministers of his decision to step down and stated that Deputy CM Shivakumar would be his successor, as per the directions of the Congress high command, several ministers who attended the meeting said.