I applied in-person. The process took 3 weeks. I interviewed at e-con Systems (Chennai) in Aug 2021
Interview
Couple of HR rounds, then couple of technical rounds, a last round with one of the founders then HR round again for pay negotiations.
Depending on the candidate they might ask to interview at their facility.
Interview questions [1]
Question 1
Interview process was very good, they asked relevant questions. Mostly C, C++ and the projects you worked on. They will ask you to write C/Cpp programs on a paper.