Mumbai, Feb. 13 -- The possibility of an exodus from the Congress in the coming days has raised doubts about the prospects of its candidate in the Rajya Sabha election, slated to be held on February 27. The party has a chance of electing one candidate based on its strength, which has fallen to 43 after the resignation of Ashok Chavan. But this too may be scuttled if the number of Congress MLAs falls below the required quota of 41 or 42 or if the MVA constituents are not allowed to vote....