Yes sure, here I am suggesting you the names of some good Short Term Courses after Mechanical Engineering:

AutoCAD
CATIA
Solid Edge
Pro-E
Ansys
Solid Works
CAD/CAM software
Fluent / Gambit
CNC Programming
Unigraphics
Coade

After completing these courses, you can apply in following top organizations for job:

LNT;
Tata Motors;
TVS Motors;
Vedanta;
Hindustan National Glass;
Godrej;
Besides, you can also appear for some software companies like:
TCS;
Tech-Mahindra;
CTS;
Wipro;