Bureau of Indian Standards

Manak Bhavan
9 Bahadur Shah Zafar Marg
New Delhi 110002
India

Tel: +91 11 23230131 / +91 11 23233375 / +91 11 23239402
Fax: +91 11 23234062 / +91 11 23239382 / +91 11 23239399
E-mail: info@bis.gov.in