Survey of India is the national survey and mapping organization of India under the department of science and technology.
Survey of India engages itself with the advancement of theory, practice, collection and applications of geospatial data.
Survey Of India,
Post Box No. 37,
Hathibarkala Estate,
DEHRADUN-248001
Uttarakhand
Fax:- 91-135-2744064
E-mail: sgo@sancharnet.in, sgo@nde.vsnl.net.in
Web : http://www.surveyofindia.gov.in/