IDrive interview questions

It was a pretty lengthy process. 7 rounds, Questions on C#, aptitude test, hr round,3 manager round, online c# round, C# multithreading, asp .net questions, trick puzzle like questions but on sw.

I was approached through recruiter. The interviewer was 20 mins late, didn't even apologize and was least interested to take the interview. He complained about my network connectivity and finally ended the call after asking few questions in WPF.