hi,

every colleges has some rules and regulations for students, if you have tatoos on body but it is on inner side then it may not be a problem , According to the guidelines provided by UPSC and SSB board, permanent tattoos are only allowed only on the inner face of the forearm. So, you are allowed to sport a tattoo anywhere between the inside of the elbow to the wrist.

now coming to marine engineering, it has really good career prospect, marine engineers get high paying job compare to other streams of engineering, but there is some possibility that you need to go off shore. need to have work  in sea for a long days. some top institute in india provides degree course in marine engineering,

Tolani Maritime Institute, Pune

AMET, Chennai

IMI, Noida

Samudra, Lonavala

MERI, Kolkata

MANET, Pune