For Sale: 2,236 sq. ft. Duplex Penthouse – Belouri, Purnia Property: 5 BHK Duplex | Main Road Facing | High Appreciation. Township: RERA Approved with roads, drainage, and open spaces. Benefits: Peaceful & secure environment; 100% legal; bank loan assistance available. Ideal for: Luxury end-use or investment in a high-growth area.