Ecolab Technical Engineer interview questions

The first round was technical test which was conduced in amity university The second round was HR + Technical interview.The third and final round was only HR interview which was scheduled online.

Firstly aptitude then technical +Hr and then Final HR round. In aptitude there were general apti question as well as technical questions and had to answer 30 question in 45 minutes which was decent enough followed by the technical interview which was moderate and HR interview which was easy