Find Phone number, Location Address and all other information of Event Management Companies in Karachi Happy Lines Event Management Karachi on Branches.pk, Pakistan’s Largest Branches Directory. You can contact them directly on Phone number +92-21-35894777, or you can visit their location in person, address location is: G-18, Phase II Defence View, Shaheed –e-Millat Express Way, Near Iqra University, Karachi.