Yes Annamalai University offer Diploma in Petroleum Refining Engineering and the duration of this course is 6 month

List of other Diploma of 6 month duration at Annamalai University:

Diploma in Health Sciences:
• POPULATION AND HEALTH MANAGEMENT
• FOOD AND NUTRITION
• DIABETES PATIENT EDUCATION
• MEDICAL LABORATORY TECHNOLOGY
• OPERATION THEATER TECHNIQUES
• CRITICAL CARE NURSING
• PARAMEDICAL SCIENCE IN HOSPITAL ASSISTANCE
• PARAMEDICAL SCIENCE IN RADIOLOGICAL ASSISTANCE
• PARAMEDICAL SCIENCE IN CT SCAN AND MRI TECHNIQUES
• PARAMEDICAL SCIENCE IN PHYSICIAN ASSISTANCE

Diploma in Agriculture Sciences:
• HORTICULTURAL NURSERY MANAGEMENT
• BIO PESTICIDES TECHNOLOGY AND BIO FERTILIZER PRODUCTION
• COMMERCIAL FLORICULTURE
• AGRI BUSINESS MANAGEMENT
• LIVESTOCK PRODUCTS TECHNOLOGY
• COASTAL AGRICULTURE
• COMMERCIAL ENTOMOLOGY
• POULTRY MANAGEMENT
• POST HARVEST TECHNOLOGY AND PROCESSING OF HORTICULTURAL PRODUCE
• FRESHWATER FISH CULTURE

Diploma in Engineering Sciences:
• CONSTRUCTION MANAGEMENT
• CHEMICAL PROCESS INSTRUMENTATION AND CONTROL
• REFRIGERATION AND AIR-CONDITIONING
• MAINTENANCE ENGINEERING AND MANAGEMENT
• PETROLEUM REFINING ENGINEERING
• INDUSTRIAL BIO TECHNOLOGY
• ENERGY ENGINEERING
• POST DIPLOMA IN POWER PLANT INSTRUMENTATION AND CONTROL
• POST DIPLOMA IN AUTOMOBILE TECHNOLOGY
• AUTOMOBILE MAINTENANCE
• COMPUTER APPLICATIONS
• WELDING ENGINEERING AND TECHNOLOGY
• DRIVES AND CONTROL
• EMBEDDED SYSTEMS AND APPLICATIONS
• FOOD PRESERVATION TECHNOLOGY
• MINING ENGINEERING
• DESIGN OF FOUNDATION SYSTEMS
• DAMAGE ASSESSMENT
• REPAIR AND REHABILITATION OF STRUCTURES

Diploma in Law:
• DIPLOMA IN LABOUR LAWS WITH ADMINISTRATIVE LAW
• LAW OF TAXATION

Diploma in Environment:
• HEALTH, SAFETY AND ENVIRONMENT
• URBAN PEST MANAGEMENT

Diploma in Management:
• CYP-HRD DIPLOMA IN YOUTH DEVELOPMENT WORK
• PUBLIC ADMINISTRATION
• ASTROLOGY
• HUMAN RIGHTS
• QUALITY MANAGEMENT
• JOURNALISM
• MASS COMMUNICATION
• SALES MANAGEMENT
• PUBLIC RELATIONS AND EVENT MANAGEMENT
• PUBLIC RELATIONS AND ADVERTISING
• SELF HELP GROUP MANAGEMENT

Diploma in Commerce:
• ACCOUNTING AND FINANCE

Diploma in Industrial Sciences:
• INDUSTRIAL SAFETY
• INDUSTRIAL POLLUTION AND CONTROL
• INDUSTRIAL HYGIENE
• FIRE AND SAFETY
• INDUSTRIAL AUTOMATION
• INDUSTRIAL PROJECT ENGINEERING
• QUALITY CONTROL & ANALYSIS OF INDUSTRIAL CHEMICALS

Diploma in Hospitality:
• AIR HOSTESS TRAINING AND GROUND HANDLING
• HOTEL MANAGEMENT AND CATERING TECHNOLOGY
• FRONT OFFICE MANAGEMENT
• HOUSE KEEPING MANAGEMENT
• FOOD AND BEVERAGES PRODUCTION
• FOOD AND BEVERAGES SERVICE