New Delhi/ Bhubaneshwar, July 01 (ANI): Janata Dal United Chief Sharad Yadav, today slammed former President A. P. J. Abdul Kalam for his comments that he was ready to appoint Sonia Gandhi as Prime Minister in 2004 despite intense lobbying against her. Meanwhile Political activist and former member of BJP, K N Govindacharya alleged that Kalam was hiding important information and also urged him to disclose all the facts so as to avoid being judged.