STRIVINGENGINEERINGIN CLEANROOM
Leading service provider of Cleanroom HVAC validation, Thermal validation, Onsite Instrument calibration and NABL Calibration services for Pharmaceutical, Life Science, Biotech and medical device industries and many more related Industries.
Castor Engineering
Your trusted partner for cleanroom solutions
About Castor Engineering
A value-driven, single source organization providing integrated solutions for controlled environments to demanding organizations in Pharma-Biotech, Medical, Health Care and related sectors.
Our Mission
Castor Engineering Pvt Ltd, as an Organization we are committed to exceeding customer's expectations being attentive to their needs and providing real solutions based on the highest standards of quality and excellence.
Our Vision
To be the leading provider of validation and calibration services in India, setting industry standards for quality, innovation, and customer satisfaction in controlled environment solutions.
Our Journey
Our Journey as an organization been fantastic so far with profound pleasure of serving our esteemed customer with fullest satisfaction in terms of Quality and committed services and we intend will take this journey to next possible highest level.
Our Journey
Year of Establishment
Castor Engineering Pvt Ltd was founded with a vision to provide world-class validation services.
HVAC Validation Services
Launched our first HVAC validation services for cleanroom environments.
Cleanroom HVAC Contracting
Expanded into cleanroom HVAC contracting and installation services.
Turnkey Cleanroom Projects
Started offering complete turnkey cleanroom project solutions.
Expansion Outside Karnataka
Extended our HVAC design and cleanroom projects beyond Karnataka state.
Branches in Hyderabad & Himachal Pradesh
Opened new branches to serve clients across India.
Branches in Vizag & Chennai
Further expanded our presence in South India with new branches.
NABL Certified Calibration Laboratory
Achieved NABL certification and launched onsite calibration services.
Cleanroom Thermal Mapping
Introduced specialized cleanroom thermal mapping services.
Testing Equipment Manufacturing
Started manufacturing cleanroom testing equipment and instruments.
Instrumentation Trading
Launched instrumentation trading division for comprehensive solutions.
Equipment Thermal Validation
Extended thermal validation services across India with mobile units.
Why Choose Castor Engineering?
Partner with Industry Leaders
Join hundreds of satisfied clients who trust Castor Engineering for their validation and calibration needs. Experience the difference of working with experts.
Our Services
End-to-end Qualification, Validation and Calibration solutions designed for controlled environments across the pharmaceutical, life science, biotechnology, medical device and related industries—ensuring compliance, precision, and reliability.
Clean Room HVAC Validation
Cleanroom HVAC validation is a critical process in pharmaceutical industries to demonstrate that air handling systems consistently deliver controlled temperature, humidity, air velocity, and cleanliness levels. In alignment with ISO 14644 and EU GMP Annex 1.
Validation ensures that cleanrooms achieve and maintain the required classification, protecting product integrity and patient safety.
- Air Velocity & Airflow Pattern Testing
- Differential Pressure Testing
- HEPA Filter Integrity Testing (Leak Test)
- Cleanroom Classification (Particle Count Test)
- Temperature & Humidity Mapping
Thermal Validation
Thermal validation in pharmaceutical cleanrooms is a critical process that ensures controlled environments, equipment, and processes maintain consistent and uniform temperature distribution. This validation is essential for maintaining product quality, safety and meeting international guidelines including WHO, EU GMP, FDA, and ISO standards.
- Cleanroom Temperature & RH Mapping
- Temperature Distribution Analysis
- Equipment Thermal Mapping
- Process Validation Studies
- Cold Chain Validation
NABL Calibration Laboratories
Our NABL-accredited laboratory delivers precise calibration services backed by traceable standards. We specialize in thermal, electrical, pressure, and airflow parameters, ensuring pharmaceutical and biotech companies meet stringent compliance requirements. With robust documentation and state-of-the-art instruments, our services guarantee accuracy, reliability, and regulatory readiness.
- Thermal Calibration – Temperature sensors, thermocouples, RTDs.
- Electro-Technical Calibration (ET) – Multimeters, data loggers, transmitters.
- Pressure Calibration – Gauges, transmitters, manometers.
- Airflow & Velocity Calibration – Anemometers, airflow meters.
- Humidity Calibration – Sensors and data loggers for RH mapping.
Onsite Instrument Calibration (Powered by CAALDOCK™)
Our CAALDOCK™ software-driven onsite calibration is a unique USP, designed specifically for pharmaceutical environments. It ensures real-time, paperless, and compliant calibration at customer sites, reducing downtime while maintaining regulatory integrity.
- Thermal Instruments – RTDs, thermocouples, sensors.
- Electro-Technical Devices – Transmitters, controllers, multimeters
- Pressure Instruments – Differential, vacuum, and gauge pressure devices.
- Airflow Testing Devices – Anemometers, Airflow Sensors
- Data Integrity & Reporting – 21 CFR Part 11 compliant digital records via CAALDOCK™.
Process & Validation
We provide complete process validation services with detailed documentation and compliance support, ensuring equipment, systems, and processes meet regulatory expectations for consistent performance.
- Process Qualification (PQ)
- Installation Qualification (IQ)
- Operational Qualification (OQ)
- Validation Documentation
Cleanroom Design & Installation
We provide turnkey cleanroom solutions from design to commissioning, ensuring controlled environments that comply with international regulatory standards. Our services combine engineering expertise, HVAC integration, and qualification support tailored for pharmaceutical and biotech industries.
- Cleanroom Design & Engineering – Customized layouts meeting ISO 14644 and EU GMP standards.
- HVAC System Installation – High-performance AHUs, ducting, and filtration systems.
- Cleanroom Infrastructure – Modular walls, ceilings, flooring, and utility integration.
- Commissioning & Qualification – Comprehensive IQ, OQ, PQ protocols.
- Regulatory Compliance Assurance – Documentation aligned with EU GMP Annex 1 and FDA guidelines.
Industries We Service
Trusted by leading companies across diverse industries
Pharmaceutical
Biotech
Medical Devices
Academics
Nutraceuticals
Veterinary
Food
Cosmetics
Ready to Get Started?
Contact our experts to discuss your validation and calibration needs. We provide customized solutions designed to meet your specific requirements and ensure compliance with international standards.
Our Featured Services
Innovative software solutions and high-quality equipment designed to streamline your validation and calibration processes.
Onsite Instrument Calibration (Powered by CAALDOCK™)
Digital-first onsite calibration—compliance, accuracy, and efficiency in every step.
CAALDOCK™ is a first-of-its-kind onsite calibration software built specifically for the pharmaceutical industry. It enables real-time, paperless calibration with digital certificates, image-based verification, and instant QR-coded labels. By integrating compliance, efficiency, and traceability into one platform.
CAALDOCK™ redefines how pharmaceutical companies manage and document calibration activities.
CAALDOCK™ Demo
Watch how CAALDOCK™ revolutionizes onsite calibration
Key Features
Benefits
Dynamic Airflow Study with Manufacturing Interventions
One-shot, synchronized airflow studies—reliable, auditable, and regulator-ready.
Our Dynamic Airflow Study service provides pharmaceutical manufacturers with clear, accurate, and regulator-compliant visual evidence of airflow patterns during critical interventions. Unlike conventional approaches, we deliver synchronized, high-quality recordings that eliminate the risks of mismatched timelines or fragmented evidence. This ensures data integrity, reduces reviewer burden, and accelerates approval cycles.
Dynamic Airflow Study – Redefining Accuracy & Compliance
Dynamic Airflow Study Demo
Watch how our synchronized airflow study ensures compliance
Key Features
Benefits
Ready to Transform Your Validation & Calibration Processes?
Schedule a personalized demo of our CAALDOCK™ software or Dynamic Airflow Study services and discover how they can revolutionize your workflows with digital-first compliance.
Our Products
Innovative software solutions and high-quality equipment designed to streamline your validation and calibration processes.
Validation Instruments
High-precision instruments for HVAC and thermal validation
Calibration Standards
Traceable calibration standards and reference materials
Cleanroom Equipment
Complete range of cleanroom infrastructure and utilities
Ready to Transform Your Calibration Process?
Schedule a personalized demo of CaalDock Software and discover how it can revolutionize your validation and calibration workflows.
Our Customers
Trusted by Industry Leaders
We are proud to serve leading pharmaceutical, biotech, and medical device companies across India and abroad
Our Major Customers



























Join Our Growing Family of Satisfied Customers
From startups to Fortune 500 companies, we provide the same level of excellence and commitment to every project.
Join Our Team
Be part of a dynamic team that's shaping the future of validation and calibration services. We're looking for passionate professionals to join our growing organization.
Current Job Openings
Experienced Engineer (Engineering Stream)
Job Profile:
- Onsite Instrument Calibration (Pharma Industries)
- NABL Lab Calibration
- Thermal Validation & Mapping
- HVAC Validation
Qualifications:
- B.Tech/BE/Diploma/ITI in Instrumentation/EE/EC/EEE/ME (Any One of these disciplines)
- 1 to 3 years of experience
- Candidates demonstrating leadership qualities and unwavering dedication are valued
Compelling Employment Offer:
- Official Job Appointment with On-Role Status
- Comprehensive Benefits: ESI, Insurance, and PF
- Complimentary Accommodation for Group Stay (Bachelor's)
- Initial Training Program Included
- Competitive Salary commensurate with Skills, Experience & Commitment
Freshers (Engineering Stream)
Job Profile:
- Onsite Instrument Calibration (Pharma Industries)
- NABL Lab Calibration
- Thermal Validation & Mapping
- HVAC Validation
Qualifications:
- B.Tech/BE/Diploma/ITI in Instrumentation/EE/EC/EEE/ME (Any One of these disciplines)
- 0 to 1 year of experience
- Fresh graduates with strong learning attitude and dedication
Compelling Employment Offer:
- Official Job Appointment with On-Role Status
- Comprehensive Benefits: ESI, Insurance, and PF
- Complimentary Accommodation for Group Stay (Bachelor's)
- Initial Training Program Included
- Competitive Salary commensurate with Skills, Experience & Commitment
Admin & Front Office Executive
Job Profile:
- Front office management and customer service
- Administrative support and documentation
- Office operations and coordination
- Data entry and record keeping
Qualifications:
- Bachelor's degree or equivalent qualification
- 1-2 years of administrative experience
- Excellent organizational and multitasking skills
- Proficiency in office software and communication tools
Compelling Employment Offer:
- Official Job Appointment with On-Role Status
- Comprehensive Benefits: ESI, Insurance, and PF
- Stable work environment with growth opportunities
- Professional development and training programs
- Competitive salary package
Why Work With Us?
Health & Wellness
Comprehensive health insurance, wellness programs, and mental health support
Learning & Development
Continuous learning opportunities, certifications, and skill development programs
Work-Life Balance
Flexible working hours, remote work options, and generous leave policies
Career Growth
Clear career progression paths, mentorship programs, and leadership opportunities
Performance Rewards
Performance-based bonuses, recognition programs, and achievement awards
Professional Environment
Modern office spaces, latest technology, and collaborative work culture
Our Company Culture
Application Process
Apply Online
Submit your application with resume and cover letter
Initial Screening
HR team reviews your application and qualifications
Technical Interview
Meet with our technical team for role-specific assessment
Final Interview
Final round with management team and job offer
Don't See Your Perfect Role?
We're always looking for talented individuals to join our team. Send us your resume and let us know how you can contribute to our mission.
Get In Touch
Ready to discuss your validation and calibration needs? Contact our experts today for personalized solutions and immediate assistance.
Send us a Message
Office Address
Neelambaram, #139, Ground Floor
Prakash Garden, 1st Main, 2nd Cross
Horamavu Agara, Bangalore 560113
Karnataka, India
Phone Numbers
Mob: +91 98456 06694
Off: +91 99014 58374
Email Addresses
sureshsk@castorengineering.in
sales@castorengineering.in
info@castorengineering.in
Working Hours
Monday - Saturday
9:30 AM - 6:00 PM
Sunday: Closed
Our Locations
Bangalore
Karnataka
Hyderabad
Telangana
Himachal Pradesh
Himachal Pradesh
Vizag
Andhra Pradesh
Chennai
Tamil Nadu
Need Immediate Assistance?
For urgent queries or emergency support, call us directly or send an email.
Find Us on Map
Castor Engineering Pvt Ltd
Neelambaram, #139, Ground Floor,
Prakash Garden, 1st Main, 2nd Cross,
Horamavu Agara, Bangalore 560113