Salary for Tableau developer (or other)jobs can start from 4L to 9L or more depending on your expertise and skills.
Salary for Power BI developer (or other) jobs can vary from 3L - 1OL or more depending on your expertise and skills.
Tableau and Power BI are both Data visualization tools used massively by many companies in different sectors.
Ad Data is increasing and more visualization, analytics, and Dashboards are required, a career in Tableau and power BI is always growing and can expect more salary and jobs.
Hope this helps you.