Differences over the Prime Ministerial candidate surfaced within the NDA on Tuesday (January 29). Suspended party leader Ram Jethmalani has backed Yashwant Sinha, saying that Gujarat Chief Minister Narendra Modi is the best candidate for the Prime Minister's post. Jethmalani also added that Modi is 'impeccably secular. Shiv Sena, on the other hand, wants Sushma Swaraj as the PM.