bad service from suzuki centurion

send in my jimny to get bearing replaced on the gear box and tc . after waiting 6 weeks to get the car back ,found after driving it for just over a week a sudden rattle on the car turns out they did not tighten the bolts on the drive shaft. stop there and they "tightened "it. the folowing weekend i wanted to check if all is still fine therbay binding out that they installed the front driveshaft upside down and the rear driveshaft where it conects to the tc the 4 bolts was also we lose and had to be tightend