With just over a month to go for assembly elections in Goa, political observers feel the Congress may upset the Bharatiya Janata Party's plans for retaining power in the coastal state, but appear less enthused about the Trinamool Congress, whose entry has added colour to the poll campaign.
AASU, Cong MP Jairam Ramesh, TMC MP Mahua Moitra, and several NGOs have filed petitions against the act that was assented to by the President yesterday.
