Mumbai, April 19 -- To defuse the tension in the MVA over Sangli, it has asked Shiv Sena (UBT) to take the Mumbai North constituency in exchange for Sangli. The proposal has been presented before Shiv Sena (UBT) chief Uddhav Thackeray. If Sena accepts the proposal, the Congress would be contesting just one out of six seats in Mumbai....