Diploma in Industrial Health and Hygiene (DIHH)
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Prepared by Docthub Courses Team ∣
Last updated on 25 Sep 2025
Overview
The Diploma in Industrial Health & Hygiene is an educational program designed to equip professionals with the knowledge and skills necessary to manage and improve workplace health and safety. The duration of the program generally ranges from 3 to 6 months depending on the institute offering the program. The curriculum includes modules like Introduction to Industrial Hygiene, Hazard Identification and Control, Health Risk Management, etc.

Table of Content
What is a Diploma in Industrial Health and Hygiene (DIHH)?
The Diploma in Industrial Health and Hygiene (DIHH) is a professional certification that focuses on occupational health, workplace safety, environmental hygiene, and industrial toxicology. It trains individuals to identify, assess, and mitigate workplace hazards while ensuring adherence to health regulations.
Highlights
| Particulars | Details |
| Course Name | Diploma in Industrial Health and Hygiene (DIHH) |
| Course Type | Diploma |
| Duration | 1-2 years |
| Eligibility | 10+2 in Science stream / Bachelor’s degree in relevant fields (varies by institution) |
| Admission Process | Based on academic qualifications, work experience, and in some cases, interviews or written assessments |
| Fees | INR 20,000 - 1,50,000 (varies by institution) |
| Colleges in India | National Institute of Occupational Health (NIOH), Ahmedabad; Indian Institute of Public Health (IIPH), Delhi; All India Institute of Hygiene & Public Health, Kolkata; Regional Labour Institute, Chennai; Maharashtra Institute of Industrial Safety, Pune |
| Job Roles | Industrial Hygienist, Health & Safety Officer, Environmental Health Specialist, Occupational Health Consultant, Risk Assessment Analyst, Regulatory Compliance Officer, Safety Trainer |
Eligibility
Applicants must meet the following criteria:
- Completion of 10+2 (Science stream) from a recognized board.
- Some institutions may require a bachelor’s degree in health sciences, occupational health, or related disciplines.
- Work experience in industrial health may be an added advantage for some institutions.
Duration
- The duration of the DIHH program typically ranges from 1 to 2 years, depending on the institution and mode of study (full-time/part-time).
Fees
The tuition fees for DIHH vary between INR 20,000 to INR 1,50,000, depending on the institution, location, and study mode.
Who Should Pursue a Diploma in Industrial Health and Hygiene?
- Professionals engaged in occupational health & safety.
- Individuals aspiring for careers in industrial hygiene, environmental safety, and risk assessment.
- Graduates in health sciences, engineering, or chemistry interested in workplace safety and hygiene.
- Employees in manufacturing, mining, chemical, and pharmaceutical industries.
Why Pursue a Diploma in Industrial Health and Hygiene?
- High Demand: Industries prioritize workplace safety and regulatory compliance.
- Regulatory Significance: Compliance with national and international occupational safety standards.
- Diverse Career Prospects: Opportunities in industries, regulatory agencies, and consultancy firms.
- Skill Enhancement: Acquire expertise in hazard assessment, risk management, and health policy implementation.
Entrance Exams for Diploma in Industrial Health and Hygiene
Most institutions do not conduct entrance exams; admission is typically based on academic qualifications and work experience. However, some institutions may conduct interviews or written assessments.
Admission Process
- Check Eligibility – Ensure that you meet the required academic and professional qualifications.
- Application Submission – Apply online or offline through institutional portals.
- Screening & Interview – Some institutions conduct interviews or written tests.
- Admission Confirmation – Selected candidates receive admission letters and must pay the necessary fees.
Syllabus for Diploma in Industrial Health and Hygiene
The curriculum typically covers:
| Year/Semester | Core Topics Covered |
| Semester 1 | Fundamentals of Industrial Health and Hygiene Occupational Health and Safety Regulations Industrial Toxicology and Hazardous Substances Workplace Ergonomics and Human Factors Environmental Health and Pollution Control Emergency Preparedness and Disaster Management
|
| Semester 2 | Industrial Ventilation and Air Quality Management Risk Assessment and Control Strategies Occupational Diseases and Preventive Measures Health and Safety Management Systems Legal Aspects of Industrial Safety Case Studies and Practical Training |
Top Institutions Offering Diploma in Industrial Health and Hygiene
Some prestigious institutions offering DIHH include:
- National Institute of Occupational Health (NIOH), Ahmedabad
- Indian Institute of Public Health (IIPH), Delhi
- All India Institute of Hygiene & Public Health, Kolkata
- Regional Labour Institute, Chennai
- Maharashtra Institute of Industrial Safety, Pune
Career Scope for Diploma in Industrial Health and Hygiene
The career prospects for DIHH graduates are broad, offering opportunities in:
- Manufacturing and Industrial Sectors
- Regulatory Agencies and Government Bodies
- Environmental & Occupational Health Consultancies
- Corporate Health and Safety Divisions
- Research and Academic Institutions
Further Study Options
- Master’s in Industrial Hygiene
- PG Diploma in Occupational Health and Safety
- M.Sc. in Environmental Health
- Certifications in Workplace Safety and Risk Management
Career Opportunities After Diploma in Industrial Health and Hygiene
- Industrial Hygienist
- Health & Safety Officer
- Environmental Health Specialist
- Occupational Health Consultant
- Risk Assessment Analyst
- Regulatory Compliance Officer
- Safety Trainer
Salary
The salary for DIHH graduates varies based on experience and industry:
- Entry-level: INR 3-5 LPA
- Mid-level: INR 6-8 LPA
- Senior-level: INR 10-15 LPA
Quick Go Links

Related Job Roles
Occupational Health And Safety Officers
Industrial Safety Consultant
Industrial Hygienist
Safety Compliance Officer
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FAQS
What is the duration of the DIHH course?
The course duration is 1 to 2 years, depending on the institution.
Who is eligible for the DIHH program?
Applicants with a 10+2 (Science stream) or a bachelor’s degree in relevant fields are eligible.
What career opportunities are available after completing DIHH?
Graduates can pursue careers as Industrial Hygienists, Safety Officers, Environmental Health Specialists, and Regulatory Compliance Officers.
What is the average salary after completing DIHH?
The starting salary typically ranges from INR 3-5 LPA, with potential for growth based on experience.
Is DIHH a good career option?
Yes, with increasing emphasis on workplace safety and regulatory compliance, DIHH professionals are in demand across various industries.
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