After completing your graduation in civil engineering you should apply for job oriented courses in the same field civil engineering. I am mentioning below the name of such courses which you can apply for for your brighter future and salary hike:

1. Master of engineering in transport engineering
2. Master of engineering in earthquake engineering
3. Master of technology in environmental engineering
4. Master of engineering in urban planning and Engineering
5. Master of engineering in coastal engineering

After learning job oriented courses and developing job oriented skills your chances of getting a decent job with a decent salary package can be increased.  You can earn a maximum salary of 10 lakh per annum.

Read more about engineering courses by clicking the mentioned below link:

https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.careers360.com/courses/civil-engineering-course&ved=2ahUKEwj8zJnKu4r1AhWILJQKHb2XC9QQFnoECAQQAQ&usg=AOvVaw0j8mE1NEIIt6X5wkUDft8n