Mostly you have to go through CBT first in which basic to moderate questions from your core subjects will be there in test. After that GD they will conduct and the final round will be interview in which they will ask you the questions related to your field as well as some questions related to soft skills to know your grip on those topics.
Interview is likely easy to moderate you can say.
Interview questions [1]
Question 1
Why you want to be a part of L&T?
Some questions related to my field like
1) what is cascading in control system?
2) What is relative volatility!?
3) What are types of controllers?
4) Tell me the design procedure of heat exchanger using kern's method!
Very Ok and supremely ok always everything was ok. Nice feeling and Great feeling. Beautiful feeling after the interview . I was not sure but than I was sure that this is not the one.
Interview process was smooth, It was online. First Technical Interview and later HR. Got results after 1 month. Offers letter where circulated before 2 months of joining. We were called to mumbai.
Interview questions [1]
Question 1
Basic of Mechanical Engineering Subjects Knowledge