First round had some 16 technical questions which are from data structures and algorithms,.net,2 aptitude questions and one programming question...
Our interview was on .net
In first technical round they asked questions on oops,few programming questions, database queries,code snippets on oops concepts.
In Second technical round they asked collections in c# and their internal working, Data structures and algorithms,few questions on operating system like multi threading and how a program becomes process...
Last round which is HR round it was more about our interests, projects we worked on