New Delhi, June 20: Aam Aadmi Party (AAP) leader and former Delhi deputy chief minister Manish Sisodia was on Friday questioned for nearly three hours by the Anti-Corruption Branch (ACB) over an alleged multi-crore rupee classroom scam. Sisodia slams BJP over ‘political vendetta’ The former deputy chief minister left the ACB office around 2.40 p.m..