Asus India — didn't get my laptop on right time.

I submit my laptop for repair in asus service center of nehru place delhi, on 25th august but i still didn't got my laptop because it's repair still in pending.
What wrong with the asus service center. Why they are taking so much time even my laptop is in warranty. I need my laptop as soon as possible so please take any action so that it can repair on right time.