GTL Infrastructure Limited (GIL) plans to enter the telecom infrastructure-sharing segment by setting up BTSs for mobile operators in India. In Phase I, the company will invest Rs 20.3 billion to set up 6,700 BTSs within 12-18 months. In Phase II, it will set up over 10,000 BTSs. Meanwhile, after being recently demerged from its parent company GTL, GIL has listed itself on the BSE.