Bengaluru, Oct 22 (UNI) Karnataka Chief Minister DK Shivakumar's visit to New Delhi on Thursday amid the controversy over an alleged sting operation targeting former Chief Minister Siddaramaiah has triggered speculation about possible discussions with the Congress central leadership. Shivakumar is scheduled to meet union Environment, Forest and Climate Change Minister Bhupender Yadav and union Communications Minister Jyotiraditya M Scindia. The meetings are expected to cover key issues concerning Karnataka, including the Mekedatu drinking water project, the Kasturirangan report on the Western Ghats and the Mahadayi river water dispute. However, the timing of the visit has drawn political attention amid…