Mohammad Ghanoum alongside a number of his forces were killed in al-Reihan region in Eastern Damascus.
In the meantime, terrorists' centers in Arbin were pounded by Syrian army's advanced missiles.
The Syrian Army's artillery units for their part targeted militants' centers in al-Nashabiyeh.
Tough battle is underway between the government forces and Jeish al-Islam in Hawsh Nasri in Eastern Ghouta.
Meantime on Monday, terrorist groups in Eastern Ghouta suffered a heavy death toll and their military hardware, mainly their armored vehicles, sustained major damage in Syrian government forces' attacks.
Syrian soldiers struck militants' sites in farms near the town of Harran al-Awamid and a thermos power plant, which not only left several terrorists dead but destroyed a number of their armored vehicles.
The army, meantime, targeted terrorists' gatherings near the towns of Zmelka and Douma, claiming the lives of several militants.
The Syrian soldiers also hit a group of terrorists affiliated to Fatah al-Sham in al-Dakhbiyeh farms near Khan al-Sheih, FNA reported.
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