As you have asked about the Acharya Nagarjuna University revaluation date, I am giving you information about it, check below for the details

I want to tell you that it ahs not been released yet.
However, you can check its website regularly to know about it.
To check it, you can follow steps given below

Go to Acharya Nagarjuna University website
Click on Examination Notification in the left side,
The page open look like



Here you will get the details about it when available.

Here I found following:

13-06-2016 Supplementary Time Table JUNE /JULY, 2016

B.Sc. Degree Examinations
B.A Degree Examinations
Baol Time-Table
BBM (Hons) Examinations
B.B.M. Degree Examinations
B.C.A. Degree Examinations
B.Com.(General) Degree Examinations
B.Com.(Restructured) Degree Examinations
B.Com.(Vocational) Degree Examinations
BACHELOR’S DEGREE IN HOTEL MANAGEMENT REGULAR EXAMINATIONS

08-06-2016 B. Pharmacy - 3 & 4 semesters Time-Table - June - 2016 Examinations
08-06-2016 LLM 2nd Sem Notifications for the Academic year 2015-2016
08-06-2016 LLB 2nd & 6th Sem Notifications for the Academic year 2015-2016
06-06-2016 Onetime opportunity, Instant & supply fee notification