AFGHAN PRESIDENT HAMID KARZAI AND HIS IRANIAN COUNTERPART MAHMOUD AHMADINEJAD SIGNED SEVEN AGREEMENTS AT THE END OF A SUMMIT SUNDAY IN TEHRAN COVERING ECONOMIC, JUDICIAL AND CULTURAL COOPERATION, DPA REPORTED. THE ACCORDS PROVIDE, AMONG OTHER THINGS, FOR THE EXCHANGE OF PRISONERS, EXTRADITION OF CRIMINALS, PROMOTION OF FURTHER INVESTMENT AND THE CONSTRUCTION OF THE KHWAF-HERAT RAILWAY, THE NEWS AGENCY ISNA REPORTED. -