An Accountability Court (AC) Thursday adjourned the hearing till April 21, in mega money laundering, park lane and Thatha Water Supply references against former president Asif Ali Zardari. AC-II Judge Muhammad Azam Khan heard the graft references filed by National Accountability Bureau (NAB). The co-accused including Hussain Lawai, Taha Raza and others could not be produced before the court due to closure of roads. The court also granted one-day exemption from hearing to former president Asif Ali Zardari, Faryal Talpur and Abdul Ghani Majeed. After this, the hearing was adjourned till April 21.