It won just six seats, including his, in the 225-member assembly.
Since then he has been shifting stands on whether he would return to BJP but has also been saying that he would decide after BJP decides on Modi's role.
A section of Karnataka BJP unit led by former chief DV Sadananda Gowda has been lobbying for taking back Yeddyurappa as otherwise the party would not do well in the 2014 Lok Sabha elections.
The BJP had won 19 of the 28 Lok Sabha seats in the 2009 elections.
Though the KJP won just six seats, the BJP acknowledged that its presence in the electoral fray heavily damaged the party which ended losing power.
The BJP won only 40 seats as against 110 it won in 2008 to form its first government in the state with the help of six independents.
