Engineering

You can follow the simple procedure that you can find on the website of ACPC. Just fill up your choices according to your 12th score and you'll be notified where you can get admission.

You can apply for both medical as well as engineering colleges. You can apply for the engineering college on the basis of your 12th marks and the entrance exam which is required. Many engineering colleges like BITs, Manipal and VIT conduct entrance exams like BITSAT, MU-OET and VITEEE. Apply for it.

There are more than 30 colleges in India which provide courses like Marine Engineering. Following link will direct you to the list of colleges providing Marine Engineering course. You can check it yourself:
https://www.shiksha.com/search/?q=Marine+Engineering&sp[]=316&sa=1^0^0^0^316^0^0^0^0^0^0^0^0^0

From 2-23rd of April 2018.

If you want to do engineering then my suggestion would be do polytechnic and then degree as you get a good knowledge of your field as in polytechnic there is much practical oriented study.

From 2-23rd of April 2018. The exam will be held on May 19, 2018.