DDG (Hallmarking)

Room No. 55, Manakalaya, Bureau of Indian Standards (BIS)
9, Bahadur Shah Zafar Marg
New Delhi - 110 002
Delhi
India

Telephone:	+91 - 11 - 23234223
E-Mail:	hallmarking@bis.gov.in
Website:	www.bis.gov.in/hallmarking-overview