Passport returned for Visa Correction still in "Administrative Processing"

I had my interview at the Chennai consulate and the visa was approved. When I collected my visa I noticed that the incorrect University name was printed. I have returned my passport along with my i20 for VISA correction. The traveldocs says it usually takes 2-3 business days for the correction, its been a week and my visa status still shows “Administartive Processing”. This is really frustrating, anyone faced a similar issue? What is the maximum time they would take in such cases.