Nissan Motors — Regarding the service of terrano car

Address:

431122

Sir
last time i got service from shivlik nissan from pune, after some days my vehicle get problem regarding machine foundation bolt. I was travelling from ghat section when i suffered this problem. why this problem not detected during the servicing..?? fortunately there was no rush of traffic and no major accident has been happen.
with the help of road assistant service i have send my car to your aurangabad service station on 19.05.2016, but till today spare parts are not available at the service station.

kindly do need full in the matter