Hello Pujitha,

                Coming to your question actually the cutoff mark is dependent on certain factors like

No.of candidates applied for the exam , the difficulty standards of the paper , no.of vacancies available to get admission into... Based on all these factors the cutoff marks and admissions are dependable 

http://svvu.edu.in/

You can know more about it through this link this is the link of official website...

All the best....