Agile Soft Systems interview questions

They have 5 rounds 1st round is simple aptitude test and programming round. Programs are based on data structure. 2nd round is face to face. In this interview he asked all core concepts of dot net framework as position was for dot net developer. Prepare sql server database concepts and project. Also oops concepts.gives small program to check logic behind solution. 3rd round is again face to face. Senior software developer takes this interview. Prepare all oops concepts, sql server database, project. Asks Data structure concepts with program yo write logic. Last two rounds are with project manager and project lead. Asks to solve puzzles to think out of box. Project questions. For last round just go through company website. They ask what do you know about this company.