Clean Room Engineering — Chennai & Pan India
We Build the Rooms
Where Nothing Can
Go Wrong.
Twenty-five years. Four-fifty facilities. Pharmaceutical plants, semiconductor fabs, hospital operating theatres, biotech labs — every one of them passed regulatory audit. That record is what we are accountable to, on every project we take.
Years of Experience
Facilities Delivered
Client Review Rating
Project Execution
Trusted By India's Leading Manufacturers
Understanding the Fundamentals
What Is a
Clean Room?
A clean room is an enclosed environment where the concentration of airborne particles — dust, microbes, chemical vapours — is controlled, measured, and maintained within legally defined limits. Air pressure, temperature, humidity, and airflow direction are all engineered to prevent contamination.
Air Filtration
HEPA / ULPA — 99.995% to 99.9995% particle capture efficiency
Pressure Control
Positive / negative cascade — prevents cross-contamination between zones
Airflow Pattern
Laminar or turbulent — matched to ISO class and process requirement
Temp & Humidity
±1°C / ±5% RH tolerance — validated against regulatory specification
Entry Protocol
Airlocks, gowning rooms, material pass-throughs — segregated access
If your product is a drug, a semiconductor chip, a medical implant, or a cell-based therapy, it is assembled or processed in a clean room. A single contamination event can halt production, trigger a regulatory recall, or invalidate years of clinical data. The room is not a backdrop. It is the process.
Clean rooms are classified by ISO standards — from ISO Class 9 down to ISO Class 3. Each class specifies the maximum number of particles permitted per cubic metre of air. Your product and your regulatory destination determine which class you need. That determination is where every Mekark engagement begins.
The financial case for getting it right
A contamination recall in pharmaceutical manufacturing costs between ₹2 crore and ₹50 crore — before legal and brand consequences. Getting the clean room right the first time is not a quality choice. It is a financial one.
per contamination event
What We Build
Our Clean Room Solutions
Modular Clean Rooms
Factory-fabricated panel systems that cut construction time by half. Fully validated, dismantlable if your facility moves or expands, and built to the same ISO tolerances as conventional construction — without the timeline.
Turnkey EPC Projects
One contract. One team. Civil works, MEP integration, HVAC commissioning, validation, and documentation — all from Mekark.
Pharmaceutical GMP
WHO-GMP, EU Annex I, and Schedule M facilities for sterile fill-finish, aseptic processing, solid dosage, and API manufacturing.
Industrial Clean Rooms
Precision manufacturing environments for electronics assembly, optics, aerospace components, and EV battery production. Controlled contamination and ESD protection.
Clean Room HVAC
Custom air handling units, HEPA terminal filter banks, pressure differential controls, and BMS integration — designed, built, and commissioned by Mekark engineers.
Validation & Qualification
DQ, IQ, OQ, PQ protocols developed and executed by our internal validation engineers. Particle count reports, pressure mapping, and filter integrity tests formatted for CDSCO, WHO, or FDA submission.
Sectors We Serve
Industries Where a Shortcut Is Not an Option
Pharmaceutical Manufacturing
Sterile injectables, solid dosage, aseptic fill-finish, and API production. We understand Schedule M, WHO prequalification, and USFDA expectations — not just the clean room specification.
Biotechnology & Cell Therapy
Biosafety-classified environments for cell culture, gene therapy manufacturing, and ATMP production. Built to ISPE standards with containment-priority design.
Semiconductor & Electronics
ISO Class 3 to 6 environments with ESD-controlled flooring, chemical exhaust management, and vibration damping — for wafer fabrication, PCB assembly, and optical component production.
Hospital & Healthcare
Operating theatre ventilation, hospital pharmacy clean rooms, and sterile compounding suites. Designed to NABH, ASHRAE 170, and EN ISO 13485 standards.
Aerospace & Defence
Precision assembly environments for avionics, optical systems, and satellite components where contamination control determines mission reliability.
Research & Nanotechnology
MEMS fabrication labs, nanomaterial research, and university-grade facilities with vibration-damped construction and ultra-low particle environments.
Nutraceuticals & Cosmetics
Hygienic-design production environments for dietary supplements, cosmeceuticals, and premium personal care — built to HACCP and GMP Cosmetics standards.
EV & Battery Technology
Low-humidity and dry room environments for lithium-cell assembly, electrode coating, and battery module production — where moisture control is as critical as particle control.
Q3 2025 pharmaceutical project slots: 3 remaining. Regulatory submission timelines are fixed — your construction window is not.
Reserve Your Slot →Why Mekark
Six Things Mekark Does
That Others Simply Don't
These are not marketing claims. They are structural commitments — written into our contracts, measured in our delivery records, and accountable in every project we take on.
Validation Is In-House — Always
Most contractors outsource DQ/IQ/OQ/PQ work to third-party consultants. That creates timeline gaps and divided accountability. At Mekark, our validation engineers are employed in-house. When your audit happens, the person who wrote the protocol is the person who answers.
Written Feasibility in 48 Hours
From your first enquiry to a structured written assessment — ISO class recommendation, regulatory pathway, and indicative cost envelope — within 48 business hours. Not a sales call. A technical document you can take to your board.
One Contract. Complete Accountability.
Civil, HVAC, electrical, validation, and regulatory documentation sit under a single Mekark contract. There is no main contractor and sub-contractor matrix. When something needs resolving, one call reaches the person who can resolve it.
Proprietary Panel System — 3× Tighter Airtightness
Mekark's in-house fabricated modular panel system achieves ≤0.5% leakage at +15 Pa differential — three times tighter than the industry standard tolerance. Tested in our Chennai facility before it reaches your site.
Regulatory Dossier Included — Not Billed Separately
We prepare your CDSCO, WHO, and USFDA submission dossiers as part of the project scope. Not as a billable extra. Your Quality team receives a ready-to-submit package — not a folder of raw data that still needs months of formatting.
24-Month Performance SLA — In Writing
Every Mekark project closes with a 24-month operational performance guarantee. Scheduled re-certification, preventive maintenance visits, and 4-business-hour emergency response — specified in the contract you signed at the start.
How Every Project Runs
Our Project Approach
No project starts at the design board. Every project starts at your product, your process, and your regulatory destination. The design follows that — not the other way around.
Discovery — Your Product and Your Regulator
We begin by understanding your product, manufacturing process, and the regulatory authority you will face — CDSCO, WHO, USFDA, or EMA. ISO classification, pressure cascade design, and contamination risk mapping are established here. No line is drawn until this is done.
Design Engineering and Design Qualification
Complete facility design — airflow modelling (CFD where required), HVAC load calculations, P&ID drawings, and the full Design Qualification package. Nothing is fabricated until the client has reviewed and approved the DQ. Changes after fabrication are expensive. Changes before it are free.
Fabrication and Procurement
Structural panels, HVAC units, and filtration systems are fabricated at our Chennai facility or procured from qualified vendors with full material traceability. Every item is QC-inspected before it leaves the factory gate — not after it arrives on site.
Site Installation and Commissioning
Discipline-specific site teams — civil, MEP, HVAC, controls — managed under one Mekark site manager. No trade coordination delays. No "that is not our scope" conversations. The IQ protocol runs parallel with construction completion, not after it.
Validation — OQ and PQ Execution
Operational and Performance Qualification executed by our in-house engineers. Particle count certification, pressure differential mapping, temperature uniformity studies, airflow velocity measurement, filter integrity tests — each formatted for your regulatory submission dossier.
Handover and 24-Month Performance SLA
Formal handover with as-built drawings, O&M manuals, spare parts schedule, and calibration records. Followed immediately by the 24-month performance SLA — scheduled re-certification, preventive maintenance, and 4-business-hour emergency response, written into the contract you signed at the start.
Our Credentials
The Standards Your Auditor Will Verify
ISO 14644-1 / 2
Clean Room Classification & Monitoring
WHO-GMP Technical Report
Pharmaceutical Manufacturing
EU GMP Annex I — 2022
Sterile Products Manufacture
Schedule M (Revised)
CDSCO — India
ISO 9001 : 2015
Quality Management System
The Business Case
Why Serious Operations Choose Mekark
Every Project. Every Audit. Cleared First Time.
Since our first commissioned facility in 2010, every Mekark-delivered clean room has cleared its initial regulatory inspection without a critical observation tied to design, construction, or validation. That is not luck. It is what happens when the team that builds the facility also writes and owns the validation documentation.
No Delayed Handover on Record
We have never handed over a commissioned facility past the contractual deadline. Our phased milestone structure — with client sign-off at each gate — makes schedule risk visible early enough to correct, not early enough to apologise for. Your production ramp-up schedule is treated as a hard constraint, not a target.
Engineering Under One Roof
Civil, HVAC, electrical, instrumentation, and validation engineers work in the same building in Chennai. When a technical decision needs three disciplines to agree, it happens in an afternoon — not across a chain of sub-contractor emails spread over two weeks.
South India's Largest Clean Room Fabrication Setup
Our Chennai facility fabricates modular panel systems, air handling units, and ancillary equipment in-house. That means consistent quality, shorter lead times, and no import-dependency surprises when your construction window is running.
CFOs See the Numbers Before Signing
We issue a detailed cost breakdown — line by line, with contingency provisions, variation triggers, and payment milestones — before a contract is signed. There are no estimate-to-actual surprises at the midpoint. The number you approve at the start is the number you manage to at the end.
Built for the Audit You Have Not Had Yet
BMS-integrated HVAC, IoT environmental monitoring, and digital validation data management are standard in every Mekark project. Not because regulations require it today — because the direction of travel in global pharmaceutical and semiconductor regulation is unambiguous.
What Our Clients Say
Decisions Come From Boards.
References Come From Here.
We had been through two WHO pre-qualification cycles without clearing. After Mekark rebuilt our Grade B and Grade C zones, we cleared in the first inspection. Their validation dossier was specifically acknowledged by the auditors.
Rajesh Kumar
CEO · Pharmaceutical Manufacturer, Hyderabad
Our CFO asked a simple question before we signed — 'What happens if we fail the audit?' Mekark's answer was the only one with a written contractual response. Eighteen months later, we passed USFDA inspection with zero clean room observations.
Priya Suresh
VP Operations · API Manufacturer, Chennai
Two contractors before Mekark — one failed on schedule, one on regulatory compliance. Mekark walked in, mapped the regulatory risk we had not been told about, and delivered the commissioned facility eleven days ahead of the revised deadline.
Arvind Menon
Managing Director · Medical Device Manufacturer, Bengaluru
We needed ISO Class 4 with ESD controls and chemical exhaust management. Every other proposal we received was a generic clean room spec with our name on it. Mekark submitted a technical document that showed they had actually read our process brief.
Vikram Nair
Director of Facilities · Electronics Manufacturer, Pune
Twenty-six months post-handover. We still have a scheduled maintenance calendar. We still have a named Mekark engineer we can call. That is not what most contractors promise, let alone deliver. It changed how we think about who we work with.
Suresh Krishnaswamy
Head of Quality · CRO, Coimbatore
Start the Conversation
Your Regulatory Calendar
Is Already Set.
You will speak with a Mekark project engineer within 24 hours — not a sales coordinator, not an account manager reading from a script. Someone who can give you a technical answer to a technical question on the first call.
- Written feasibility assessment delivered within 48 business hours
- Fixed-price proposal — no floating estimates or post-signature revisions
- Senior Mekark engineer assigned from your first call through to final handover
- No obligation of any kind until you sign the contract
Request Written Feasibility
Delivered within 48 business hours — no obligation.