Salary Range For Oil And Gas Industry

Dear All,
I have recently joined an Oil & Gas (Construction) company that is recently established in Chennai. I have been asked to frame HR Policies as well as to prepare salary structure across all levels and I am not aware what is being paid/ offered. In addition to this, I have been asked to do recruitments of experienced persons for various positions, like for Proposal/ Estimation/ Project Manager/ BD etc.
I need your help in this. I have to submit the same to the management by 31st May, 2014 positively.
Can anyone share the same with me.
Looking forward for your support as till now I been working in other industry and Construction/ Oil & Gas is very new for me.
Smit

Sir, Thanks for your mail. My mail id - [Login to view]. I have joined Oil & Gas industry very recently as executive HR and having 3 years of experience, that too in construction industry.
This is very new establishment business having started recently. Management wants me to do market study and prepare salary and grades.
It would be kind of you if you can help me how to source candidates from social sites (like linkedin or other). I have been using job portals in my previous assignments.
Look forward for your help.
Smit