Yes you definitely have a chance to get a seat in mechanical engineering branch of NIT Surathkal. As per your marks, your rank will be in the range of 3500 to 10000. This is as per last year marks vs ranks scenario.

The closing rank for mechanical engineering branch of NIT Surathkal was 8980 for a general male outside state candidate. Therefore you have a good chance of landing in NIT Surathkal.

All the best!