Estellar Infrastructure Private Limited (formerly Estellar Energies) is a Patna-based company established in 2020, delivering integrated solutions in solar, water, civil and mechanical infrastructure across India.
Established in 2020 and headquartered in Patna, Bihar, Estellar Infrastructure Private Limited is a multidisciplinary partner for solar, water, civil and mechanical projects.
We combine engineering coordination, procurement, field execution, testing and after-project support. Our work supports government, institutional and private-sector stakeholders in delivering practical infrastructure within defined quality, safety, time and cost requirements.
Clean Energy
Stronger Communities
Year Established
Borehole drilling depth stated in profile
Solar street lights installed in Bihar
Water treatment units under Nal Jal programme in Bihar
We are guided by a clear vision and mission, supported by disciplined execution and long-term client service.
Vision
To be a trusted infrastructure partner for sustainable, efficient and inclusive development.
Mission
Deliver accountable engineering, responsive service and reliable field performance.
These principles guide our work, our teams and our commitment to every project.
Quality
Right-first-time workmanship
Safety
Responsible site practices
Integrity
Transparent commitments
Reliability
Consistent delivery
Sustainability
Long-term resource thinking
Service
Responsive client support
We deliver across four key verticals, combining engineering expertise with on-ground execution.
Solar Infrastructure
Rooftop solar, street lighting, solar pumping and EPC execution.
Water Infrastructure
Treatment plants, pumping systems, water supply schemes and utility works.
Civil Construction
Industrial, utility and infrastructure-linked civil works.
Mechanical Works
Installation, piping, erection, testing and maintenance support.
Our work supports infrastructure development in Bihar, Uttar Pradesh, Haryana, Chhattisgarh and other locations through water, solar, industrial and metro-related projects.
We follow defined quality, safety and execution standards across all projects. Our processes ensure reliable outcomes and long-term performance for our clients and communities.
Quality Systems
Right materials, right installation, right performance.
Safe Workplaces
Trained teams, site safety and risk management.
Timely Delivery
Structured planning and on-ground coordination.