Cognizant — cts sap pp qm - offer letter not received

Address: Pune, Maharashtra, 412207

Hi,

I attended an interview at cts pune phase 3 for sap pp qm position and cleared all the rounds at the end hr informed me that i will receive my offer letter within 2 weeks but till date i have not received any offer letter

Anyone can suggest how and whom to approach next??.

Also can anyone tell the exact time required for processing the offer letter.