Hi aspirants

you are eligible to write TET exam, You are not eligible to write BTC

In order to write  BTC (Basic Training Certificate) You must have completed your 10+2 Board Examinations from any of the recognised board having at least 50% Minimum Marks. While you must also done your graduations with having 50% at least in the degree.

some states allow candidates to write TET exam after your B.E engineering. Those who have completed a B. Ed with an Engineering degree can write TET Exam.

hope this Helps

Good Luck!