Hello applicant,

There are many  in diploma courses available in polytechnic,such as:

• Civil engg
• Electronics and comm.
• Computer science
• Automobile engg
• Electrical engg
• Mining engg
• Textile engg
• Mechanical engg

I suggest you to check top polytechnic colleges also with courses offered.

Hope it helps.

Hello Yerasu. The list of courses in diploma polytechnic are: 

• Diploma in Civil Engineering
• Diploma in Electronics and Communication
• Diploma in Computer Engineering
• Diploma in Automobile Engineering
• Diploma in Ceramic Technology
• Diploma in Electrical and Electronics
• Diploma in Mining Engineering
• Diploma in Textile Technology
• Diploma in Mechanical Engineering

However, every college does not provide all the above courses. So in order to get any course, you will have to research about what college provides it.