To prevent its MLAs from cross-voting in Saturday's Rajya Sabha elections, the Congress has despatched its heavyweights to states where its lead candidates are facing  tricky contests. Ghulam Nabi Azad has reached Lucknow to oversee Kapil Sibal's election while Sushil Kumar Shinde and Kamal Nath have been deployed in Bhopal to ensure a victory for Vivek Tankha. Since AICC in-charge of Haryana Shakeel Ahmad is on leave, party general secretary B K Hariprasad has been deputed there. Digvijaya Singh and A Chella Kumar are rushing to Bengaluru, while Mukul Wasnik has been asked to go to Uttarakhand.