At a function held at the BJP its office here, the party's state unit chief Mangal Pandey and Leader of Opposition in the Assembly Nandkishore Yadav welcomed Jaiswal in the saffron party.
Speaking on the occasion, the first-time MLA from Dhaka constituency in East Champaran district pledged faith in the BJP ideology and vowed to work hard for NDA's victory in the Assembly polls in Bihar.