Looking for Mechanic or Garage to run diagnostics on TATA Safari.

[spanish sheep]

We own a TATA grand safari 4x4 the "check engine" light keeps coming on so need a diagnostics running to find out the problem would prefer in the area, so far the closest we have been told is Murcia........ we live on a rambla and dont really want to to travel all the way to murcia if it is just dust on the sensors.........
TIA