Flat No TF-316 Third Floor Dev Sagar Residency Plot No-69 Khasra No 257 K Colonels Public School Village Chhapraula Chhapraula Dadri Gautam Budh Nagar Uttar Pradesh India 201009. Boundaries:-East: Comm.passage, West: Comm. Passage, North: Stair/Flat No-TF-315, South: Comm.Passage