You have to prepare mostly C programming bit manipulation questions very thoroughly.
Memory interfaces were also asked in depth by the interviewers.
Previous company projects were also asked a lot of time.
The following metrics were computed from 4 interview experiences for the Arm Senior Engineer role in India.
Arm's interview process for their Senior Engineer roles in India is incredibly easy as the vast majority of engineers get an offer after going through it.
Candidates reported having very good feelings for Arm's Senior Engineer interview process in India.