Take a leave on the interview day, And bring your own box as the process starts from 10.30 till 7.00 pm , and no one cares about candidates lunch, yes there is no proper cafeteria.
Process consists of 5 rounds
1. Written Test and core Java, SQL, puzzle solving
2. Technical interview
3. Technical interview
4. Interview by architect
5. Interview by hiring manager
Worst Part 1 - People having half of your experience will interview you, and their knowledge is limited to coding at the lowest level (Implementation only)
Worst Part 2 - Hiring manager (Don't remember the name) - He tries to show off himself just accept his ego then you can move on, he does not have patience to listen nor explain the problem clearly. Make sure to satisfy his ego.
Worst Part 3- thing is when you already have an offer for X amount and you clearly mentioned about this long before the interview day, after the last round they will say X amount not possible. Wasting an entire day with two samosas and hunger headaches.
Regarding waverock building takes 30 mins to enter the building as they need mail from the company and original id card of the person entering