Rastriya Janata Party-Nepal (RJP-N) Joint General Secretary Mirza Arasat Beg joined the CPN-UML on Sunday.

UML Chairman KP Sharma Oli welcomed Beg amid a programme.

A permanent resident of Kapilvastu, Beg had filed his candidacy in the Constitution Assembly elections from the Sadhbhawana party, but defeated with a tiny margin.