Meanwhile, Congress today engaged senior leaders A K Antony, Ghulam Nabi Azad and C P Joshi to hold talks with the Bihar outfits and work out an "honourable" share of seats for the party in 243-member state assembly.
While JD-U and RJD put forward different formulae to resolve the seat-sharing issues, Congress demanded that it be alloted around 40 seats in the state.
Expressing confidence that the seat-sharing would also be done amicably, the RJD chief said, "When hearts have met, we will sort out the issue of seats as well."
While JD(U) began by saying that the 2010 formula should be repeated, RJD talked of 2014 Lok Sabha results to be considered as the basis for seat-sharing.
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In 2014 Lok Sabha polls, JD(U) had won only two seats, while RJD won four and Congress two. RJD had then led in 43 assembly segments and finished second in 92 assembly segments.
Beyond these public assertions, one compromise formula being discussed was that both JD(U) and RJD contest 100 seats each leaving the rest for allies.
JD-U chief Nitish Kumar, who had yesterday met Congress Vice President Rahul Gandhi here, today said in Patna that Congress is very much part of the plan to firm up a broad alliance comprising the JD(U) and RJD among others for the assembly polls in Bihar.
After it was decided yesterday that JD-U and RJD will fight elections together, SP general secretary Ram Gopal expressed confidence that the leaders of the two parties will complete the task of devising an effective seat-sharing arrangement very soon.