Several Aam Aadmi Party leaders and workers and those from CPI(M), CPI and BSP joined BJP at a function held in the party office on Sunday.
Bihar BJP unit president Mangal Pandey welcomed the new entrants in the party-fold and urged them to work hard to ensure victory in the general elections next year and the assembly polls in Bihar a year later.
Speaking on the occasion, ex-AAP leader Arvind Kumar Singh criticised AAP convenor Arvind Kerjiwal for "ditching anti-corruption crusader Anna Hazare to further his political ambitions" and said the best interest of the country could be ensured only by BJP under its prime ministerial candidate Narendra Modi.