I took the interview for Oracle(siebel group) in Bangalore location. A recruiter from Oracle had directly called me. I had around 3 rounds 1) The interviewer tested my C++ basics and gave me some puzzles. i)Print all leaf nodes of a tree ii)Write a program which behaves differently in C and C++ iii) Overload both pre and post increment operator in C++ 2) The second round was about the projects and application related. He asked about singleton pattern, threads and sockets and mutex/semaphore 3)The last round was manager round He said I was through and offered a very good package (Please see below)