Of the four states headed for assembly elections next month, three are held by non-BJP parties or coalitions, the fourth, Assam, by the BJP. So its task is simple; hold Assam and make inroads in any of the other three. That will be good enough for it to declare at least a moral victory, enough for the party’s titans to trumpet their credentials all over again. For the parties and alliances ruling the other three there is no such comfort. Each of the Trinamool Congress (West Bengal), DMK (Ta