Sh. Ashutosh Diwakar
Assistant Director General (Security Certification)
National Centre for Communication Security
Department of Telecommunications
2nd Floor, City Telephone Exchange Building
4th Main, Samapangi Rama Nagar
Bengaluru (Karnataka)-560027
Telephone: 080-080-22481216
Email Id: adgsc[dot]nccs-dot[at]gov[dot]in