I have score 54 percentage in hsc Maharashtra and 72 percentile in jee Mains..i am confused about my careers decision..i wanted to do AME.

Hello,
With your boards percentage and jee main percentile, you have no chances of getting a seat in any government colleges for engineering. So you can gor Aircraft maintaince engineering from private engineering colleges like Bennett University, LPU, MIT WPU, etc
Here's a list of colleges in India offering course in aircraft maintenance engineering.
https://engineering.careers360.com/colleges/list-of-aircraft-manufacturing-and-maintenance-engineering-colleges-in-india