yes dude,

you are eligible.if you crack NEET all you need to do is withdrawn your admission from engg. college.

I Hope this information will be useful to you.

if you need additional information,let us know to help you.

Thank you!!!:)

Dear Piyush, 

    You can appear for NEET (UG) 2019 provided you had Biology/Biotechnology as one of the subjects  in your 12th standard. The maximum age limit for appearing in NEET(UG) is 25 years. 

Wishing you all the best!