Yes, off course you can get admission for B.Tech. in Marine Engineering with this rank in IMU CET. You can also go through the link given below to find colleges appropriate for your stream.

https://www.google.co.in/url?sa=t&source=web&rct=j&url=https://www.careers360.com/college-predictor&ved=2ahUKEwiQ_puEtMTcAhWFeisKHVKtBG8QFjACegQIABAB&usg=AOvVaw2AOFtKT1Kl7aX4aICHr3xY