Points to mention in ur sentence. 1. Total 6 members took interview for testing team 2. Four round of interviews 3. Interview was around 4.5 hours 4. They asked me tht during releases has to extend 12+ hours 5. Manager was talkative and he indirectly telling me tht to work 12+ hours 6. I remember manager name is ashirwad 7. I had never experienced such creepy interview ever 8. I was scared to join those ppl and had rejected the offer

Full day interview at Broadcom was exhasuting but avereage. They mostly asked basic electrical engineering stuff and transmission line theory. If you don't know your basics, you will probably struggle.