New Delhi, March 2 -- Top Indian IT companies including TCS and Infosys have asked their employees to exercise caution and issued travel advisories amid escalating tensions in the Middle East after the US and Israel launched strikes on Iran over the weekend, killing its Supreme Leader Ayatollah Ali Khamenei.

TCS and Infosys have multiple offices in the Middle East, which has been battered over the weekend due to the war in Iran as Tehran launched missiles on key Middle Eastern regions including Dubai and Abu Dhabi.

In an internal advisory issued to employees, Tata Consultancy Services (TCS) asked its staff to avoid going outdoors and taking on non-essential travel.

"In light of the ongoing geopolitical developments in the Middle East, ...