Hi,

Here is a list of some  colleges offering Diploma in Mechanical Engineering in Hyderabad:

Government Polytechnic, Hyderabad

TKR College of Engineering and Technology, Hyderabad

Siddhartha Institute of Technology and Sciences, Ghatkesar

Brilliant Institute of Engineering and Technology, Hayathnagar

Sree Dattha Institute of Engineering and Sciences, Ibrahimpatnam

Mahaveer Institute of Science and Technology, Hyderabad

Ellenki College of Engineering and Technology, Hyderabad

St Peter's Engineering College, Hyderabad

TRR College of Technology, Hyderabad

Nawab Shah Alam Khan College of Engineering and Technology, Hyderabad

Samskruti College of Engineering and Technology, Hyderabad

For more details and other colleges and in depth information you can refer to this link: https://engineering.careers360.com/colleges/list-of-engineering-colleges-in-india?city=Hyderabad&degree=Diploma,Diploma&branch=Mechanical%20Engineering

I hope this helped you.