Diarch Buildcon logo
Government Infrastructure · Est. 2003

Government Infrastructure & RoadConstruction Contractor in Bihar

Building infrastructure that powers progress — trusted execution partner for public infrastructure and government projects across Bihar and Eastern India.

Request Partnership Discussion →
22yrs
Execution record
38
Districts active
64+
Govt. partnerships
Empanelled withMoRTH/NHAI/CPWD/BSRDC/BIADA/Water Resources Dept.
Delivery at scale

A measurable record across two decades.

Numbers verified by independent third-party audits and government project completion certificates.

0+

Projects Completed

Across infrastructure verticals

0

Districts Served

Pan-Bihar operational reach

0+

Government Partnerships

Active public-sector engagements

0

Years of Experience

Continuous execution record

0 Cr+

Infrastructure Delivered

Total contract value (INR)

What we do

Eight verticals of public-infrastructure execution.

Specialised teams, calibrated equipment fleets and discipline-specific engineering managers — mobilised under one integrated programme management framework.

View full capabilities
i.

Civil Infrastructure

Foundation systems, structural concrete works, and large-scale earthworks for public and industrial use.

Foundation Engineering
RCC Structures
Earthworks
ii.

Roads & Highways

NH, SH and rural connectivity corridors — design, build and resurfacing under MoRTH and NHAI specifications.

Greenfield Highways
Bituminous Pavements
Rural Roads (PMGSY)
iii.

Government Buildings

Administrative blocks, judicial complexes, hospitals and schools — built to CPWD and state PWD specifications.

Administrative Blocks
Judicial Complexes
Public Hospitals
iv.

Smart City Projects

Urban mobility, intelligent traffic, command centres and integrated utility corridors for tier-2 and tier-3 cities.

ICCC Setup
Smart Lighting
Utility Corridors
v.

Industrial Construction

Heavy industrial plants, warehousing parks, cold storage facilities and EPC delivery for manufacturing units.

Pre-Engineered Buildings
Cold Chain
EPC Delivery
vi.

Water Infrastructure

Drinking water schemes, sewerage networks, STPs, reservoirs and irrigation channels under Jal Jeevan Mission.

Water Treatment
Sewerage Networks
Irrigation
vii.

Public Facilities

Bus terminals, sports complexes, market yards and community infrastructure with long-life specifications.

Transit Hubs
Sports Complexes
Mandi Yards
viii.

Project Management

PMC services, third-party inspection, quality audits and supervision consultancy for state and central agencies.

PMC Services
Third-Party QA
Independent Engineer
Featured Portfolio

Projects delivered for the public sector.

A curated selection from our active portfolio. Each engagement reflects rigorous engineering, transparent contracting and verified delivery.

Why Choose Us

A six-stage execution discipline.

From planning to handover, every project follows a documented, audit-ready framework — the same one that has delivered 248+ public projects across Bihar.

01

Planning

Feasibility studies, DPR review, stakeholder mapping and risk assessment grounded in field reconnaissance.

02

Engineering

Design coordination across structural, MEP, geotechnical and environmental disciplines under a unified BIM workflow.

03

Procurement

Transparent vendor selection, ISO-compliant material specifications and integrated supply-chain logistics.

04

Construction

Mobilised execution teams, calibrated equipment fleets and zone-wise resource planning for predictable delivery.

05

Quality Assurance

NABL-accredited lab testing, third-party audits and digital site logs for full traceability.

06

Handover

Documented closure, asset transition, O&M handbooks and post-handover support windows.

97.4%
On-time delivery rate
Zero
Lost-time injuries (FY24)
ISO Triple
9001 / 14001 / 45001
Class-I
CPWD empanelment
Compliance & Certifications

Government-grade compliance, independently verified.

Operating under triple ISO certification, central empanelments and a documented quality regime audited every year.

i.

ISO 9001:2015

Bureau Veritas

Quality Management2024
ii.

ISO 14001:2015

TÜV SÜD

Environmental Management2024
iii.

ISO 45001:2018

DNV

Occupational Health & Safety2023
iv.

CPWD Class-I

Central Public Works Dept.

Govt. Empanelment2023
v.

MoRTH Registered

Ministry of Road Transport

Highway Contractor2024
vi.

GRIHA Council Member

GRIHA Council

Sustainable Construction2022
vii.

NABL Accredited Lab

NABL

Testing & Calibration2024
viii.

MSME Registered

Ministry of MSME

Enterprise Registration2021
Geographic Presence

Active across every administrative division of Bihar.

38 districts. 10 administrative divisions. A field-led operating model with regional offices placed within four hours of every active site.

Operational hub
Selected
Bihar · India
Division Spotlight

Patna

42
Active projects
1617 Cr
Contract value

Project mix includes highways, government buildings, water schemes and public facilities under both central and state contracts.

Voices from the public sector

What our partners say.

Direct quotations from government engineers, project directors and partner officials we have worked with.

“Their execution discipline on the Kosi bridge — including the off-monsoon foundation works — set a benchmark for state-led infrastructure delivery.”

Shri R. K. Mishra

Chief Engineer, Bihar State Road Development Corporation

Government building
Partner with Diarch Group

Looking for a reliable infrastructure partner?

Initiate a structured partnership discussion. Our public-sector engagement desk responds to all formal inquiries within two working days with relevant case studies, compliance documents and engagement options.

Direct Engagement

Partnerships Desk

+91 612 250 0000

Tender Inquiries

tenders@diarchgroup.in

Capability Statement

CallWhatsAppEmailProjects