Mixing work with pleasure,Chief Minister Shivraj Singh Chouhan Sunday bundled off his newly-inducted ministers without portfolio to a wildlife sanctuary but talked them into maintaining a clean image and corruption-free administration. Chouhan insisted that he was serious about zero tolerance on corruption and asked his ministerial colleagues to choose their personal staffers carefully. He is likely to announce portfolios on Monday. Names of at least two staffers of his two colleagues in the last ministry have cropped up in the ongoing investigation into the scams related to examinations conducted by the Madhya Pradesh Professional Examination Board. Chouhan said he would introduce vigilance mechanism in some key departments to root out corruption. MP CM vacates Vidisha seat Bhopal: Chief Minister Shivraj Singh Chouhan,who won the just concluded Assembly polls from Vidisha and Budhni,has resigned from Vidisha seat,sources said Sunday. As per the rules,a legislator winning from two seats has to relinquish one of it within 14 days of the constitution of the new Assembly. PTI