The executive board meeting of the National Accountability Bureau (NAB) on Wednesday approved closure of three identical cases of alleged corruption cases against Usman Farooqi, father of Sharmila Farooqi and brother of secretary general to the president, Salman Farooqi. The meeting also authorised verification of complaint against Yousaf Baig Mirza, managing director (MD) of Pakistan Television Corporation (PTVC) and others in alleged cases of corruption and corrupt practices and misuse of authority.