In a huge setback for the Congress, Rajya Sabha MP Sanjay Singh resigned from the party on Tuesday and said that he will join the Bharatiya Janata Party (BJP) on Wednesday.

Singh who hails from the Amethi royal family is a Congress member of the Rajya Sabha from Assam.

Sanjay Singh has also resigned from the Upper House of the Parliament and his resignation has been accepted by Rajya Sabha Chairman M Venkaiah Naidu.

After tendering his resignation, Singh said the Congress was still in the past, unaware of the future. He said the country is with Narendra Modi today and therefore he is also with the PM.

“I will join BJP tomorrow. I have resigned from the party, as well as my membership of Rajya Sabha,” he was quoted as saying by ANI.

Singh, who has been in the BJP earlier and was elected to Lok Sabha on its ticket in the 90s, wields considerable influence in the Amethi region of Uttar Pradesh.

He had unsuccessfully contested the recent Lok Sabha election from Sultanpur. BJP’s Maneka Gandhi had won from there.

The Congress leadership remains in limbo after the resignation of Rahul Gandhi. Several party leaders have called for Priyanka Gandhi’s elevation as the Congress President.