Director, Delhi Geo-spatial and International Boundary Directorate, Survey of India, Wing A- 2nd floor.Pushpa Bhavan Madangiri Road NEW DELHI PIN - 110 062
Tamilnadu, Pondicherry and Andaman & Nicobar Islands
Shri Mahesh Ravindranathan
Director, Tamilnadu, Pondicherry and Andaman & Nicobar Island Geo-spatial Directorate, Survey of India 3rd and 4th Floors, New Additional Office Building, Shastri Bhavan, 26 Haddows Road Nungumbakkam Chennai-600006