There were two technical rounds and one HR. They will just ask basic questions related to the field and about the projects.
OT was not that difficult. It consists of aptitude questions basically. So thorough with it is more than enough.
Stress-strain, failure theories, thermal. Etc
The following metrics were computed from 4 interview experiences for the Schneider Electric Mechanical Engineer role in India.
Schneider Electric's interview process for their Mechanical Engineer roles in India is fairly selective, failing a large portion of engineers who go through it.
Candidates reported having very good feelings for Schneider Electric's Mechanical Engineer interview process in India.