Smarter & Safer Ways to Dispose Waste.

At Mailhem Environment Pvt. Ltd., we believe in ‘Disposal of waste at its source of generation’ and have successfully treated over a million tons of solid waste till date, thereby doing our bit towards a cleaner environment by helping mitigate greenhouses gases. Central & State Government Departments, Public Sector undertakings, Urban Local Bodies, Private Companies, Gate Communities & Townships, Educational Institutions, and Special Economic Zones (SEZs) have utilized our unique waste management solutions and we continue to inspire every company, community and citizen to go green for the future.

The name Mailhem showcases the true vision of the company – to convert waste into gold, wherein mail in Sanskrit stands for waste and hem stands for gold.


To be recognized as India’s leading waste management company with a focus on green energy for the future.


  •  To provide services that meet customers’ expectations
  • To perform at par with the best waste management companies in the world with a specific focus on the quality of customer service, environmental track record, and financial performance
  • To lead the waste management industry on important issues such as managing waste resources with a ground-breaking new approach

Our Values.

Mailhem Environment Pvt. Ltd. aspires to create a sustainable tomorrow with greener energy. The technological influence in handling wastes responsibly will help the business grow their reach into every town and city in the country and the world, so that waste finds a way to be useful.


The Journey of Olive to Green of the Founder of Mailhem.

When Col. Rege decided to leave his successful career as an officer in the mechanized infantry of the Indian army to become an environmental entrepreneur at the age of 40, it was an unconventional decision with unbelievable commitment. While the world around him wasn’t sure if he’d made the right call, Col. Rege was determined to resolve the challenges around waste management and bring about sustainability, even when no one was really talking about it back in 1995. Taking leftover foods from the Army canteen when no other corporate trusted his R&D, he began his conversion of waste to gold! Today, he has hundreds of corporate clients who trust the technology, systems, and ideas of Mailhem Environment Pvt. Ltd.

His illustrious journey from the Indian army to India’s cleanliness drive is inspirational to say the least. He has also won the Lifetime Achievement Award at the CSR Global Green Awards in 2016, celebrating his vision towards a greener planet.

The Next-Generation Entrepreneur.

Moving forward, Sameer Rege, son of Col. Rege leads the way with his dynamic leadership skills and innovative ideas. He’s a Chemical Engineer Graduate from Bharati Vidyapeeth College of Engineering, Pune with a keen interest in environmental management. After specializing in Environmental Design from Vishwakarma Institute of Technology (VIT), Pune, he has been spearheading the business of Mailhem first as the design and engineering leader and subsequently as the business head of the organization. Sameer manages project implementation and has executed around 300 projects spread across the length and breadth of the country. Another feather in his cap has been getting the organization’s MEPL systems certified for ISO 9001, making Mailhem the first biogas manufacturing company to be awarded an ISO certification. He also looks into Design and Trademark registration for the organization and all its proprietary internal modules. Besides this, Sameer is also actively involved in all the technical activities related to various projects and R&D initiatives of the organization.

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