Amid intense lobbying for the chief minister's post, Karnataka Congress president D K Shivakumar will visit Delhi on Tuesday to discuss with the party's central leadership the issue of government formation in the state.

He and Siddaramaiah, both frontrunners for the chief minister's post, were called by Congress the central leadership to Delhi for discussions. However, Shivakumar on Monday evening cancelled his visit to the national capital citing health issues, fuelling speculations that all is not well in the party. Siddaramaiah is in Delhi since Monday.