The proposed Academic Calendar for MBA/MCA III & IV Semester Regular for Academic Year 2012-13 is detailed below.

MBA/MCA – III Semester (2011 Admitted Batch)
Description From To Weeks
Commencement of Class Work 20-08-2012 - -
I Unit of Instructions 20-08-2012 13-10-2012 8W
I Mid Examinations 15-10-2012 20-10-2012 1W
II Unit of Instruction 22-10-2012 15-12-2012 8W
II Mid Examination 17-12-2012 22-12-2012 1W
Preparation & Practicals 24-12-2012 29-12-2012 1W
End Examinations 31-12-2012 12-01-2013 2W
Commencement of Class Work for IV Semester 21.01.2013

MBA/MCA – IV Semester (2011 Admitted Batch)
Description From To Weeks
Commencement of Class Work 21-01-2013 - -
I Unit of Instructions 21-01-2013 16-03-2013 8W
I Mid Examinations 18-03-2013 23-03-2013 1W
II Unit of Instruction 25-03-2013 04-05-2013 6W
Summer Vacation 06.05.2013 15.06.2013 6W
II Unit of Instruction Continuation 17-06-2013 29-06-2013 2W
II Mid Examination 01.07.2013 06.07.2013 1W
Preparation & Practicals 08-07-2013 20-07-2013 2W
End Examinations 22-07-2013 03-08-2013 2W
Commencement of Class Work for MCA V Semester 05.08.2013

For the official Notification visit the below url
Code:
http://jwfiles.net/8j2t21he7fxv/JNTU...V_Sem.pdf.html