IIT Madras and IIT Kharagpur offer B.Tech in Naval Architecture and Ocean Engineering and is one of the best engineering programmes in India regarding Naval Architecture. To enter these programmes, you will need to give JEE Advanced, and the cut-off for 2022 are given below:

IIT Kharagpur (GEN):

Opening: 5663

Closing: 7738

IIT Madras (GEN):

Opening: 5807

Closing: 8085

Hope I have answered your question. All the best!