Hello Sneha
You are no doubts eligible for SSC JE.
For preparations-
The paper will consist of aptitude nd your field related question i.e. civil.
Paper is divided into two parts - paper 1  and paper 2  one is objective and other is written based.
Aptitude include General intelligence & reasoning, General awareness.
First get syllabus noted accurately then  start aptitude practice Daily from books nd also give some online mock tests do update yourself with daily current affairs and general knowledge .
Aptitude is all about time so manage your time do practice try to solve as much as you can  nd after practice you can score good marks
Then complete your civil syllabus as per SSC JE syllabus given try revision nd practice on daily basis .
So get ready nd start practising
All the best

Hello,

Yes you are eligible.
Pease go through below link for detailed information :

https://competition.careers360.com/articles/ssc-je-eligibility-criteria

I hope this helps.