Federal Minister for Finance and Revenue Senator Mohammad Ishaq Dar called on President Dr Arif Alvi at Aiwan-e-Sadr APP46-071222 ISLAMABAD: December 07 - Federal Minister for Finance and Revenue Senator Mohammad Ishaq Dar called on President Dr Arif Alvi at Aiwan-e-Sadr. APP/IQJ/TZD/FHA APP46-071222 ISLAMABAD: