5 technical + 1 HR..
Each tech round went up to 1.30 to 2 hrs...
technical rounds were mainly based on C and Data Structures
They mainly check to see what ever you know u know it in depth and 100% without a doubt ..This i cos when a new project is assigned to you, they'll know the u can study abt that technologies n get the same depth in those related fields.
This review is only on my experience as a fresher and can vary from individuals.