in the studies of 1345, institute of social studies and research, university of tehran. it has come that tehran is still concentrating the population, employment and capital. despite the fact that in many activities have been carried out and many policies have been made in these decades , it seems that it was not enough. for example, we implemented the 120-kilometer radius limit of tehran city relatively... in some governments, we implemented it very seriously . the result is that, for example, you have the industrial city of alborz in ghazmin, or you have ijtihad , or you have hassanabad in qom, and in for a period of time , we had the tehran city expansion supervisory council with the presence of the prime minister, and the members of the economic council and the members of the supreme urban development council were responsible for any type of investment and planning for tehran and its 25-year scope. there was a time when after the revolution we overrode the 25-year-old limits of the city of tehran, practically this shula shura is no longer in use, but it gave us a ver