Tata Consultancy Services Graduatee Engineer Trainee interview questions

i got survey mail after my incentre written test which consists of 5 sections aptitude,logical reasoning,verbal ability,programming mcqs and coding.After 20 days i received survey mail then after 2 days i received interview mail for techinical and managerial.they asked me intro,projects, c programming and about the comapany,why should i hire u,after that they end the session upto now i did not receive selection or rejection mail.