1)Roles and responsibilities in project based on that questions were asked. 2) Examples of Abstract and Interface class 3) WCF and WEAPI would be added advantage if would you have worked on it. 4) Managed and unmanaged code difference 5) Exception Handling (try, catch and finally ) block 6) Boxing and unboxing examples 7) ADO.NET examples 8) SQL queries scenario based questions 9) Overall project architecture and deployment on production level