These courses are also providing industry ready workforce. Salaries are generally higher than the ITI cadre. Most of the polytechnic courses are engineering related. You can also take admission in engineering after completing these courses. You should choose these courses if you have logical mind and need quick jobs. Polytechnic courses in India. Below you can find the list of courses 1. Diploma in Architectural Assistantship 3 years 2. Diploma in Civil Engineering 3 years 3. Diploma in Electrical Engineering 3 years 4. Diploma in Instrumentation & Control 3 years 5. Diploma in Mechanical Engineering 3 years 6. Diploma in Information Technology 3 years 7. Diploma in Computer Science & Engineering 3 years 8. Diploma in Chemical Engineering 3 years 9. Diploma in Dairy Engineering 3 years 10. Diploma in Textile Technology 3 years 11. Diploma in Glass and Ceramic Engineering 3 years 12. Diploma in Leather Technology 3 years 13. Diploma in Material Management 1-2 years 14. Diploma in Commercial Practice 3 years 15. Diploma in Interior Decoration & Design 1-3 years 16. Diploma in Agriculture Engineering 2 years 17. Diploma in Fashion Designing 1-3 years 18. Diploma in Paint Technology 3 years 19. Diploma in Plastic & Mould Technology 3 years