Sources in the BJP said here today that Yadav appears to be not too keen as the numbers are stacked heavily in favour of UPA nominee Hamid Ansari.
Some BJP leaders had reportedly met Yadav and urged him to become a Vice Presidential candidate to put up a serious fight.
Yadav, however, downplayed reports about NDA considering his candidature for the Constitutional post, saying he would not like to comment on speculation.
The sources said BJP will have to fall back upon Singh as he had evinced interest in contesting the August 7 poll.
The name of Najma Heptullah as a possible candidate is also doing the rounds as she too had expressed interest in contesting the poll. She had fought the VP election against Ansari in 2007.
The NDA will take a final call on the issue in its meeting here tomorrow morning.
While the main opposition had indicated that it will not give a walkover to Congress in the Vice-presidential poll, its reservations regarding Ansari since his conduct during the Lokpal Bill debate in Rajya Sabha on December 29, 2011, further contributed to the party's decision to contest the election, sources said. (MORE)