Delhi Branch Office I | Bureau of Indian Standards

Name & Designation	Contact Number	Email
Shri Rajeev Ranjan Singh Scientist F & Head	Tel: 23237401, 23668161 Mobile: 9910334995	hdlbo1[at]bis[dot]gov[dot]in
Address: Delhi Branch Office-I Bureau of Indian Standards 601 A, 6th Floor, Konnectus Tower, Bhavbhuti Marg Ajmeri Gate New Delhi-110002	Tel : 23237401, 23668161 Extn.: 8161