Get in Touch
Contact TSDSI
Have questions about membership, standards, events, or collaborations? We'd love to hear from you.
Office Address
Room IIA 304, 2nd Floor
Bharti School of Telecommunication
Technology & Management
IIT Delhi, Hauz Khas
New Delhi – 110016, India
secretariat@tsdsi.in — General enquiries
membership@tsdsi.in — Membership
technical@tsdsi.in — Technical matters
Office Hours
Monday to Friday
9:30 AM – 6:00 PM IST
Closed on national holidays
Member Portal
members.tsdsi.in
Access standards, meeting documents, and member resources.
Send a Message
We typically respond within 2 business days