Addressing a press conference here, Sharma said, "Modi and PM Manmohan Singh cannot be compared as the two are poles apart".
"Manmohan Singh is a polite person, but whenever Modi says something he is usually bitter and does not have a kind word for anybody," Sharma said.
"BJP is a political department of the RSS which continues to maintain that it is merely a cultural organisation," he said.
Sharma said the BJP manifesto for Lok Sabha polls was nothing but a "pale" copy of the Congress manifesto, which offers nothing new.