Hello Aspirant

The percentile you got are pretty good. If you want to predict the rank, I am providing you up with a link through which you will get an idea about it . The link is below:-

https://engineering.careers360.com/jee-main-rank-predictor

As the official list is not out by the NTA ,

Selection in St Xavier's College Kolkata is done on the basis of marks obtained in 10+2 examination followed by interview and the cut off for morning is around 90–92%. To check complete procedure of admission you can go through with given below link.

St. Xavier College Kolkata admission

Good Luck!

A Mechatronics engineer unites the principles of engineering disciplines like mechanics, electronics, and computing to generate a simpler, more economical and reliable system. Mechatronics engineer needs at least a bachelor's degree to obtain entry-level position. 

A B.Tech in Mechatronics can get either of these designations-

Robotics Technicians

Robotics Test Engineers