Hello, here I am providing you the details of the packages offered at IIT Guwahati as no individual packages offered are available:

2015:
Highest Package Offered
$125,000 per annum

2014:
Highest (International) $120,000 per annum
Highest (Domestic) Rs 30 lakh per annum
Average Rs 13 lakh per annum

Placement companies of civil departments:
Reliance
BPCL
TCS
Headstrong
Future First
Degreemont
Ansys
Schlumberger
Evalueserve
TCE Consulting
Absolutdata

Contact details:
Student Placement Representatives:
K Alben Jose (B.Tech)
Email: kezhiyur@iitg.ernet.in
Cell: +91-9954347729

Shirishkumar (M.Tech)
Email: s.baviskar@iitg.ernet.in
Cell: +91-9957939308