Hey,

With this score your chances of getting MTech in Manipal main campus is likely to be difficult. Score is not good, You will land up with poor rank, Better appear again & try to improve score. It is advisable to get 150+ so that you can get admission easily in Manipal campus.

With this percentage, your are meeting the required board criteria but failing at cutoff marks.

Board criteria - The candidate must have minimum 50% (45% for SC/ST) marks in any subject/stream of 10+2 examinations

Below is the link for more details about the qualification, procedure and etc.

https://engineering.careers360.com/exams/met-mtech

https://www.manipal.edu/mit/program-list/mtech/mtech-in-industrial-automation-robotics-manipal-university/MTechIndustrialAutomationandRobotics.html