Cognizant — didn't receive offer letter or confirmation mail

Address:

Cognizant Technology Solutions, Manyata Embassy Business Park, Mahogany (F2), Hebbal Outer Ring Road, Rachenahalli, Bangalore - 560045, Bijapur, Karnataka, 586103

I have given my interview at cognizant bangalore on 16th nov. It was a pool drive conducted by cognizant through vtu karnataka. I completed both tr and hr rounds.in hr round we discussed about package and relocation conditions and terms. Then hr took my signature on a paper mentioning the same.
Hr told me that my interview status will be communicated through mail but i haven't received any mail till date. I want to know when will i receive interview status or confirmation mail from cognizant.