New Delhi
1 Silver Oak Avenue,
DLF Phase 1 Gurgaon 122 002,
National Capital Region, India.
Tel: +91 124 406 1859 / 406 1860
Fax: +91 124 406 2312

Kolkata
10, Government Place East,
Kolkata 700 069, India.
Tel: +91 33 2248 3924 / 2248 1801
Fax: +91 33 2248 6820 / 2248 7438

Mumbai
Alaknanda Building,
16, Nepean Sea Road,
Mumbai 400 036, India.
Tel: +91 22 2363 1130 / 2367 8394
Fax: +91 22 2364 4389

Chennai
120 Velachery Main Road,
Guindy,
Chennai 600 032,
Tamil Nadu, India.
Tel: +91 44 4221 3444 / 2235 0781          / 2235 0782
Fax: +91 44 4221 3402 / 2235 0783

e-mail:
For Patents:        patent@depenning.com
For Trademarks:        trademark@depenning.com
General enquiry:
       dandi@vsnl.com or
       contactus@depenning.com