Giriraj Singh, BJP candidate, said Kumar is jealous of Modi's popularity.
"Nitish Kumar is seeing unrealistic dreams. When the election results will come out on May 16, if Nitish Kumar will have some ethics, he will resign. And, his governance will come to an end. He shouldn't give advice to BJP or be jealous of Modi's popularity. If he retains votes in Nalanda, it will be his good luck but that won't happen. Modi is becoming the Prime Minister and Kumar's governance will come to an end," said Singh.
Kumar, who was once a part of NDA, left his Janata Dal-United party's 17-year-old electoral tie with BJP, after differences erupted between him and Modi. He left the alliance soon after Modi was declared the latter's prime ministerial candidate in 2013.