Dwarka: Pruning of overgrown trees to make traffic signals visible Overgrown trees covering traffic signals not a new phenomenon in Dwarka Dwarka: Trees need an immediate haircut in Sec 7 Dwarka: Sector 9 residents demand pruning of overgrown trees Noida: Thicket covers streetlights causing darkness on Sec 73 roads Hidden signals creating traffic problems in Dwarka Hidden signals