Hey Supriya,
There is no entrance exam, you have to appear in JEE Mains for admission. Here is the Sastra University B.Tech 2018 Admission Dates:
S.No.
Events
Dates
1
Application form availability
First week of April 2018
2
Application form deadline
Second week of June 2018
3
Rank list publication
4
Counselling procedure
Third week of June 2018
5
Commencement of classes
First week of July 2018
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