Former JD(U) leader Ajay Alok, a regular on TV debates, joined the BJP on Friday in the presence of Union minister Ashwini Vaishnaw.
Joining the BJP is like coming to a family, Mr Alok said, vowing to contribute to the "Modi mission". The country is today moving in the same direction as the prime minister, he told reporters.
A practising doctor, Mr Alok has been a strong defender of the BJP's policies and is seen by the party as a sharp and articulate voice.
He was expelled by the JD(U), the ruling party in Bihar, last year for his perceived proximity to RCP Singh, the party's former president who quit following a fallout with Chief Minister Nitish Kumar, and also toeing a line which was closer to the BJP than the party he then represented.
Mr Vaishnaw praised Mr Alok's contribution and praised him as a sharp analyst.
Mr Alok took a swipe at Mr Kumar, saying he is an architect who is destroying his own work by compromising on law and order, corruption and communalism.
Mr Alok said he was "thankful" to Nitish Kumar for expelling him from the JD(U) and claimed that a large number of leaders will quit the party in the coming months.
(Except for the headline, this story has not been edited by NDTV staff and is published from a syndicated feed.)
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