Larsen & Toubro GET - Civil interview questions

They asked me questions pertaining to my family background, my branch (1 subject which i carefully asked for- 2 questions each by the 2 interviewers) Someone made a mistake by telling them a subject which he had no clue abt, since they started on a very open ended note that we have to tell them the subjects we studied Finally, they give an extempore topic like smart city and all

The interview took place at the university campus. It was 2 days process. On the first day it started with GD and on the basis of that shortlisted candidates were further screened through aptitude and personality proficiency test. On the basis of candidates performance they were shortlisted for the PI's. PI,s took place the next day