Rewal, Raj, and Mahendra Raj. One year of demolition - Remembering the iconic Hall of Nations, excerpts from research interviews In Architecture: Challenges and Opportunities - A panel discussion held at the annual conference of the National Association of Students of Architecture at Kochi, Edited by Nirmal Kulkarni. INDES, 2017.

Excerpt from an interview with Ar. Raj Rewal, New Delhi, 27^th October 2017

Q – Nirmal Kulkarni – What were the challenges presented in the design of building a space-frame in RCC, especially in view of the technological innovation which it sought to be?