Development Abilities Group interview questions

It was little longer and difficult process. It took 2 days for interview. First was the telephonic round after shortlisted from the test. I got call from the company. Then i visited there and the following steps had done. 1) Aptitude Test 2) Presentation 3) Group Discussion 4) Final Round After completion the final round it was of 30 minutes of waiting. After 30 minutes they announced the result and ask me to read and signed on letters.