By Ariba Shahid KARACHI, Dec 10 - Pakistan’s largest conglomerate Engro Corp, through it’s strategic partnership with Veon, is eyeing expanding telecom tower-sharing coverage in Pakistan and exploring different use cases in telecom infrastructure. "Pakistan is a very large market in terms of telecom, which keeps growing larger," Samad Dawood, vice chairman of Dawood Hercules Corp, which owns 40% of …