In an interaction with journalists at the Indian Women's Press Corps here, Singh praised and defended Gujarat Chief Minister Narendra Modi but appeared to give primacy to keeping NDA partners together.
While JD-U has bluntly told BJP that Modi - who faces the taint of the post-Godhra 2002 riots in Gujarat - is not acceptable as the Prime Ministerial candidate, Shiv Sena too has expressed its reservations.
"The crisis (due to differences with JD-U) is unfortunate but BJP would not want an ally to go away. We will sit together and sort out the differences," he said.
Singh maintained that allies have their "own ideology, political thought, programmes and principles" which may differ from that of the BJP.
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Asked if BJP would declare its Prime Ministerial candidate before the elections as demanded by JD-U, Singh said all things cannot be made public at this juncture.
Though he gave the standard reply of BJP's Parliamentary Board having the final say on who should be the party's PM candidate, he appeared to give the impression that the party was ready to discuss the issue with its allies and look into their concerns.