New Delhi, Sept. 15 -- Shares of STL Networks, the recent debut on the Indian stock market following its strategic demerger from Sterlite Technologies, were locked at a 5% upper circuit limit at Rs.22.92 apiece in Monday's trading session following a significant order win.

The company, through an exchange filing today, informed investors that it had secured a major contract worth over Rs.360 crore from PowerGrid Teleservices Limited (PowerTel), a wholly owned subsidiary of the Power Grid Corporation of India Limited (PGCIL), the nation's largest electric power transmission utility.

Under the agreement, the company said Invenia, the brand of STL Networks, will design, build, commission, and maintain the complete IT and cloud infrastructu...