Hall of Nations
India celebrated twenty-five years of independence beneath a vast concrete space frame, then demolished the modernist landmark while its heritage case was still being argued.
Quick facts
- Existence state
- Officially Gone
- Peak stage
- general availability
- Research confidence
- high
- Last verified
What it was
A major exhibition hall designed by Raj Rewal and engineer Mahendra Raj at Pragati Maidan, New Delhi.
The column-free hall used a tetrahedral reinforced-concrete structure to demonstrate Indian engineering without imported steel.
Existence timeline
India plans a permanent hall for an independence anniversary exhibition.
The concrete space frame opens at Pragati Maidan.
Trade fairs and public events occupy the complex.
A new convention centre threatens the existing halls.
Courts do not halt the redevelopment.
The Hall of Nations is razed overnight.
Why it ended
The India Trade Promotion Organisation demolished the complex overnight in April 2017 for a new convention centre.
Last confirmed trace
Architectural archives, measured drawings, photography and museum exhibitions document the hall and its contested destruction.
What it left behind
Its demolition energised campaigns to recognise and protect India's post-independence modern architecture.
How we classified it
The archive unit reached normal public release or operation and is no longer obtainable in its original public form.
Verified normal public availability maps to 100 under Arrival Score V1.
Sources & verification
Last reviewed 2026-08-01. Sources are linked so readers can inspect the evidence directly.