National Hydrographic Office
107-A, Rajpur Road
Dehradun, India 248 001
Tel - 0091 (135) 2747360, 2747365
Fax - 0091 (135) 2748373
E-mail - firstname.lastname@example.org, email@example.com
Be vigilant for counterfeit/ photocopied Chart. Navigational Charts produced after 31 Oct 2014 carry NHO crest as watermark on the reverse with backslip. Chart Agent's stamp is mandatory on all Charts.