 Pranab Mukherjee was stated to be too critical at his current responsibility to stand for the presidential elections and the Left parties opposed the candidature of Shivaraj Patil, Sushil Kumar Shinde and Karan Singh.On the other hand, the NDA stated that it would support Bhairon Singh Shekhawat, in case he decides to contest as an independent candidate.Other probables such as N.R.