Gurugram: According to HMRTC officials, the spur or metro extension connecting Rezangla Chowk in Palam Vihar and Dwarka Sector 21 station will be 8.4 km long, of which 5 km will be from Palam Vihar to Sector 111 in Gurugram and the remaining 3.4 km will be in Delhi. In tandem with the work on the Gurugram metro extension project, …