CHENNAI: Chennai Metropolitan Development Authority (CMDA) has appointed three teams consisting of tahsildars, revenue and survey inspectors, to assess government land within 1 km on either side along the Outer Ring Road (ORR) for commercial development. The planning agency hopes to unlock 2,500 acres in the stretch between Minjur to Pammadukulam, Vellanur to Varadharajapuram and Nazarathpet to Vandalur.