First you have to pass 2 written exams , one about English and IQ and one about OOP and Database concepts , mainly your subjects in college and web,mobile apps development concepts
Hr interview was easy , it's all about previous university and secondary school , proficiency in English and some general info about yourself then technical interview was about previous experience and projects that you have done and fields that you have experience in them.
So briefly interview aims to decide which team you can join in the company