Response in the first two phases of polling is giving sleepless nights to Opposition parties, said Prime Minister Narendra Modi on Tuesday. Addressing an election rally at Kendrapara in Odisha, Modi further said that `Lahar` (wave) for BJP has become `Lalkar` (challenge) for the Opposition after two phases of polls. Prime minister accused the Naveen Patnaik government of resorting to violence and added in Odisha, BJD will go and BJP will come to power after polls. How will Odisha`s car move forward if it has three tyres of BJP and one of some other party? he asked the crowd. Modi also spoke about his clean image as prime minister and said ``You have seen many governments in the past, ours is the only One which hasn`t been mired in any scams: Modi in Odisha.`` Those levelling false allegations against BJP are found Standing in the dock, he said.