SEED is a Design Aptitude Test.

Eligibility - 

A candidate must have passed 10+2 (any stream; eg. Science, Commerce, Arts, etc.) or equivalent OR 10+3 diploma approved by State Board of Technical Education with minimum 50% aggregate marks obtained in the final examination. A candidate appearing for the final examination of 10+2 grade or 10+3 Diploma program may also apply provided the results of the examination should have been declared by June of the admission year or prior.

 Candidates on waiting list would be considered for provisional admission in the order of merit list depending on the vacancies after June 11, 2018

For further details and dates, you can go to this link - 

https://www.sid.edu.in/bdes-admission/admission-schedule.html