Patna, Feb 15 (ANI): Janata Dal United (JD-U) and its alliance Rashtriya Janata Dal (RJD), on Sunday blamed Narendra Modi-led federal government for political tension in Bihar. During a joint news conference, JD-U, RJD, Congress party and Communist Party of India (CPI), accused Bharatiya Janata Party (BJP) for political uncertainty in Bihar. A RJD leader, Ramchandra Purve, said that earlier of transfer of powers was smooth in Bihar and hit out at BJP alleging it for creating tension. However, BJP refuted the allegations.