# Bhawan Nirman > Bhawan Nirman is a turnkey construction company, architect and real estate developer based in Danapur Cantt, Patna, Bihar, India. It designs and builds independent houses, duplexes, villas and commercial buildings, and handles architecture, 3D elevation, Vastu planning, Patna Municipal Corporation (PMC) map approval, post-tension (PT) slabs, interior design and exterior/facade design. ## Key facts - Business type: General contractor / turnkey EPC (Engineering, Procurement, Construction) construction company and architecture firm - Address: Pramod Complex, Saguna More, Manpura, in front of Central Bank of India, Danapur Cantt, Patna, Bihar 801503, India - Phone: +91 62057 82246, +91 62995 36618 - WhatsApp: https://wa.me/916205782246 - Email: bitturajkumar765@gmail.com - Hours: Monday–Saturday, 09:00–19:30 IST (closed Sunday) - Service area: Patna, Danapur and across Bihar - Team: 35 professionals; 150+ completed projects; 26+ years of working experience - Website: https://bhawannirman.factline.co/ ## Pricing (turnkey house construction in Patna) - Standard package: ₹1,650–₹1,850 per sq. ft. (53-grade cement, Fe-550D TMT, class-1 brickwork, vitrified tiles, standard fittings) - Premium package: ₹1,900–₹2,200 per sq. ft. (teakwood frames, granite/Italian-style floors, modular kitchen provisions, Jaquar/Kohler sanitaryware) - Luxury package: ₹2,300+ per sq. ft. (bespoke elevation, false ceilings, stone cladding, smart-home readiness, luxury bathrooms) - A line-by-line Bill of Quantities (BOQ) with locked pricing is provided before contract signing; no hidden charges. ## Timelines - Independent house or duplex (1,500–3,500 sq. ft.): about 6–9 months from excavation to handover - Villa or duplex (larger builds): 8–12 months - Commercial and multi-storey buildings: 14–20 months ## Warranty and quality - 10-year structural stability warranty on RCC footings, columns, beams and slabs - 1-year defect liability warranty on plumbing, electrical, hardware and seepage - Steel: Tata Tiscon, SAIL, Jindal Fe-550D; cement: UltraTech, ACC, Ambuja 53-grade OPC/PPC - Slump tests on site and 7-day/28-day cube tests at accredited labs for every pour - Dedicated on-site civil engineer; weekly digital progress reports with photos and drone footage ## Payment schedule (milestone-linked) 10% at signing and drawing finalisation; 15% foundation and plinth; 20% ground-floor slab; 15% upper slab; 15% brickwork and plaster; 15% flooring, wiring and plumbing; 10% at final handover. ## Pages - [Home](https://bhawannirman.factline.co/): overview, services, process, FAQs and location - [Services](https://bhawannirman.factline.co/services.html): construction, real estate, architecture, interior and exterior design, PT slabs - [About](https://bhawannirman.factline.co/about.html): company, values, team and projects - [FAQ](https://bhawannirman.factline.co/faq.html): cost per sq. ft., timelines, approvals, payments, warranty, quality - [Blog](https://bhawannirman.factline.co/blog.html): construction and architecture guides for Patna and Bihar - [Contact](https://bhawannirman.factline.co/contact.html): address, phone, hours and free estimate form