Yes, you have a chance to get into VIT Vellore for MTech this year as a final year BTech student from Kerala.

M.Tech (Full Time) Admissions: VIT allows final year BTech students appearing for their final semester exams.The selection process typically involves an entrance exam (VITMEE) and counselling ,Application deadline: May 31, 2024  .

https://www.careers360.com/university/vellore-institute-of-technology-vellore

Integrated M.Tech (Five Year Program): This program is specifically designed for students completing their Class 12th exams. However, some institutes might allow final year BTech students to apply on a case-by-case basis.

https://www.careers360.com/university/vellore-institute-of-technology-vellore

I hope it helps !