भारत में बनी दुनिया की सबसे बड़ी ऑफिस बिल्डिंग, रोमांचित कर देगा वीडियो

Surat Prime Minister Narendra Modi Pentagon World Largest Office World's Largest Office Surat Diamond Bourse SDB World's Largest Office in Surat World's Largest Office in Surat Gujarat Surat Diamond Bourse Gujarat Pentagon office in the US Surat diamond industry Surat Diamond Bourse office building largest office building in world diamond trade diamond companies