National body · India

Advancing India's underground frontier.

Knowledge, standards and collaboration for tunnelling, metro systems, hydropower and subsurface infrastructure.

Kilometres of tunnels under construction across India
Professionals and institutions in the UTA network
Years of collaborative engineering progress
National voice for the underground
Who We Are

A multidisciplinary body for India's underground future.

The Underground Space & Tunnelling Association (UTA) is a professional, non-profit platform advancing the science, technology, and policy of underground space utilisation in India — in alignment with the International Tunnelling and Underground Space Association (ITA).

Our Founding Partners

  • Delhi Metro Rail Corporation (DMRC) — Government

    Government

  • Herrenknecht — Industry — Platinum Partners
  • Kalpataru Projects International Limited — Industry — Platinum Partners
  • ATPL Construction Additives — Industry — Platinum Partners
  • Terratec — Industry — Gold Partners
  • Sika — Industry — Gold Partners
  • MAPEI — Industry — Gold Partners
  • ECMAS — Industry — Gold Partners
  • Penetron — Industry — Gold Partners
  • SS Constructions — Industry — Gold Partners
  • Geo Cons Tech — Industry — Gold Partners
  • Bajaj Reinforcements — Industry — Gold Partners
  • NB&CW — Media Partner

    Media Partner

UTA Events

Upcoming Conference

3–5 March 2027 · New Delhi, India

Spaces Underground 2027

International Conference & Exhibition on Underground Space & Tunnelling — bringing global experts, industry leaders and policymakers together to shape the underground future.

500+
Delegates from 25+ countries
30+
Exhibition stalls
11
Conference themes
2
Tiers of industry awards
Projects across India

Scrolling gallery of underground and tunnelling project photographs from across India. Hover to pause; select a photo to view it larger.

Join India's underground community

Individual, institutional and corporate membership — shape standards, share knowledge, and build capacity across the sector.

View membership plans

secretariat@utaindia.com