They asked about projects which i did in detail and also they asked whether to use software tools such as LabVIEW, hfss etc then they asked general questions like why do you wanna join

First a phone interview with hiring manager followed up a week later by 1:1 interview with the HR rep, then the hiring manager again, then a group interview with the development group and then the test group all on the same day, Was asked to solve a logic problem plus C language questions and asked interview questions about worst working situation with past peers and mgmt to see how i dealt with those issues.