They can ask from any subject you have studied in diploma from subject like material science so you should have good command in all subjects of diploma . So keep on revising the concepts of different subjects of diploma
Interview questions [1]
Question 1
Tell me about details of iron carbon equilibrium diagram
Firstly they are taking Aptitude test round after selecting in that round the technical interview is taken and after clearing the technical interview the HR interview is taken in that family background question is asked.
I applied through college or university. I interviewed at Tata Motors (Pune) in May 2017
Interview
Written Aptitude test which includes Mechanical Aptitude, Quantitative aptitude, Logical reasoning
After that Personal interview which includes geeneral questions about yourself, basic Mechanical engineering questions etc.
After that Medical which for general purpose to just verify candidate is able to work in Mechanical industry for 8hrs a day and to check any disabilities or weskness.
Interview questions [1]
Question 1
What is stress and strain and their units.
What is pressure and its units.