I applied through college or university. The process took 4 months. I interviewed at TNS India Foundation (Bengaluru)
Interview
Interview process has 3-4 rounds. First round is over phone with conversation with the HR. Second round is an online meeting with HR or other senior specialists. Third round is a presentation round where you will have to train students on a topic, followed by an interview with the higher manager.
Interview questions [1]
Question 1
Why do you want to switch from academia to training role ? Tell me bout your internships.