Hey there

The cutoff marks for gate is varying each year like jee advanced so that no fixed pattern should be there. Like the electrical 2019 question was so easy that cutoff was very high from last year. But on an average you need to have a score of about 375 ( as in 2018) for VLSI in nit suratkal.

Check detailed Cutoff for the college in gate

https://www.google.com/url?sa=t&source=web&rct=j&url=https://engineering.careers360.com/articles/gate-cutoff-for-nit-surathkal/amp&ved=2ahUKEwiT8eb4nr7lAhVLQI8KHSNhBW8QFjAAegQIAxAB&usg=AOvVaw2X-dJLUy250PvTPpYicznB&ampcf=1

Good luck