The Congress-led UPA may not be able to get its nominee elected to the post of President of India unless it manages to get one of the two main political players in poll-bound Uttar Pradesh - either the Samajwadi Party or the BSP - on board. This would also mean that the Congress managers will have to put up with the demands of the Trinamool Congress, their largest partner with whom they have come to share a very tempestuous relationship of late.