hi,

see its not necessary to again appear in 12th exam to give entrance test of TSEAMCET. droppers are allowed to appear in tseamcet exam, so you can take 1 year gap after 12th course passed, take preparation and again appear in tseamcet.

the general eligibility criteria for tseamcet is candidates must complete 12th course from a recognized education board.

you may follow our article to know in details about eligibility criteria of tseamcet:

https://engineering.careers360.com/articles/ts-eamcet-eligibility-criteria#:~:text=Candidates%20seeking%20admission%20in%20B,is%20no%20upper%20age%20limit.