![The Surat Diamond Bourse is now the world's largest building. Photo: Surat Diamond Bourse](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/OGIOLT64EVHHPAIYX2RCNOAMXA.jpg?smart=true&auth=ebeaa860b4d37aa2ad4e34292fd26a1bceaa2818ecae61fec391f41a0fa3f30b&width=400&height=225)
The Surat Diamond Bourse is now the world's largest building. Photo: Surat Diamond Bourse
The Surat Diamond Bourse is now the world's largest building. Photo: Surat Diamond Bourse
India's Surat Diamond Bourse overtakes The Pentagon as world's largest office building
Narendra Modi expected to open 15-storey building before gemstone companies move in