It is good enough. Three technical and one HR round are good enough.
Detect a cycle in a linked list.
The following metrics were computed from 1 interview experience for the Tesla SWE Intern role in India.
Tesla's interview process for their SWE Intern 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 Tesla's SWE Intern interview process in India.