I applied through university. The process took 1+ week. I interviewed at ZS Associates (New Delhi) in Aug 2021
Interview
Interview was divided into 2 phases. First phase consisted of an online aptitude round, brief case study round and a video interview with guesstimate questions.
The second phase involved solving an in-depth case study and a one on one interview which focuses on the approach that the candidate took towards solving the case study and some guesstimate questions were also asked
Interview questions [1]
Question 1
A guesstimate regarding the number of ATMs in the area that I reside in was asked.
Asked about introduction of my self.
Guestimates and some puzzles. It was very interactive conversation between myself and inteviewer. I explained about the projects I have done and he asked questions about projects
4 rounds
Online Assessment
Communication Round
Case Study Round
Interview Round
Total 4 rounds each round is an elimination round and the first two rounds were same for BTSA role
Asked about puzzles, resume based questions like projects I have done, objective of the project, what are the implementations of the project that I have done and Situational or Behavioural questions