National Institute of Technology Goa is an Institute of National Importance and the placements here are much better than that of anywhere else. The Mechanical department is doing good, and the placements are also decent. Some of the stats are:

Highest package: 15LPA
Lowest Package: 6LPA
Average Package: 8 LPA

You can also use our college predictor to see your chances in all the colleges:
https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

Hope I have answered your question. All the best!