I applied online. The process took 2 months. I interviewed at INTACH (New Delhi) in Jun 2018
Interview
You have to apply through mail and wait for the response. If you are very interested then contact them and ask them for the vacancy. If you get selected then you'll be asked for interview. First the senior go through your portfolio , then about your work and then a small test on structural details.
It was a general interview with basic information about my profession and my interest in the job. My work enthusiasm and my desire to learn for the field. The questions included what I also need to work on in the future and whether I am capable of handling a working schedule, which was pretty good, I could say.
Interview questions [1]
Question 1
Why do you want to work with us?
Are you working for your interest or your requirement for experience?
Can you handle a schedule of fieldwork and flexible working hours?