BJP President Nitin Gadkari has termed as closed the issue of Jaswant Singh's book praising Pakistan founder M A Jinnah. <br/><br/>Speaking in a television channel, he said return of leaders like him will strengthen the party. He said, Jaswant Singh was with the Party since its foundation and he is loyal to it. Mr. Gadkari maintained that in a democratic party, every leader has the right to have different opinions.<br/> <br/>In reply to a question the BJP Chief said, eminent lawyer Jethmalani, had apologised for certain remarks made by him against former Prime Minister Atal Bihari Vajpayee before he was taken back in the party. <br/><br/>Asked if Gujarat Chief Minister Narendra Modi will campaign in Bihar Assembly elections in view of recent crisis with the JD(U) , he said it is up to his party to decide who would canvas for its candidates.