Considering you are asking about the commencement of regular classes for first semester students, the classes will commence from 16 Aug, 2018 while the orientation programmes and declaration of courses will be held on 13-14 August.
Hope it helps!
The date has not been declare by that college. Use the above link to get to know.http://www.jietjodhpur.ac.in/Admissions/jiet.php?mlin=26&tlin=27
I hope this link will help you.
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