Following are some of the top colleges of gujarat:

• Indian Institute of Technology Gandhinagar
• Maharaja Sayajirao University of Baroda, Vadodara
• Sardar Vallabhbhai National Institute of Technology Surat
• Dharmsinh Desai University, Nadiad
• LD College of Engineering, Ahmedabad
• Birla Vishvakarma Mahavidyalaya, Anand
• Dr S and SS Ghandhy Government Engineering College, Surat
• Government Engineering College, Bhavnagar
• Government Engineering College, Gandhinagar
• Government Engineering College, Patan
• Government Engineering College, Rajkot
• Institute of Infrastructure Technology Research and Management, Ahmedabad

For more use the link given below:
https://googleweblight.com/i?u=https://engineering.careers360.com/colleges/ranking/top-government-engineering-colleges-in-gujarat&hl=en-IN
And yes friend salary and placement is more dependnt upon what knowlege you have gained within your study years. If you are talented and ull of knowlege no one can stop you from achieving heights.
All the best.

Thankyou