Hi Neel,
My wife and I live in Port Moresby and have been here twice for about 2 years total. We love it here. PNG has its issues for sure. However, if you pay attention to your friends and locals, go only in safe places (there are a number of them) and stay alert, you shouldn't have problems. Since your company is providing transportation,, your driver will be familiar with specifics of the area you are in. After a couple of months you will relax and settle in and probably enjoy it a lot Generally the people are very friendly, even though there is a criminal element to be aware of. All in all, if the job is good and we are getting better pay then your home country it is probably well worth your while to try it out.