I am mentioning below the points of comparison between Bachelor of Science psychology and bachelor of physiotherapy:

Bachelor of Science Psychology:

1. The average starting salary which you can get after completing Bachelor of Science psychology is 2 lacs per annum.
2. The highest salary which you can get is 5.5 lacs per annum.
3. After completing Bachelor of psychology course you can become psychologist, psychology instructor, personal trainer etc.

Bachelor of physiotherapy:

1. The average starting salary which you can get after completing Bachelor of Physiotherapy is 2 lacs per annum.
2. The highest salary which you can get is between 7 to 8 lakh per annum.
3. After completing Bachelor of Physiotherapy you can become a physiotherapist, researcher, lecturer, homecare physiotherapist, medical coding analyst.

It is difficult to tell which is better one as both of the fields are good. For more details you can click on mention below links:

Bachelor of science Psychology:

https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.careers360.com/courses/bsc-in-psychology/amp&ved=2ahUKEwihr7WZh8z1AhXxKqYKHUt-AYUQFnoECBIQAQ&usg=AOvVaw2fN36HcZnnXi5WqgHs1xnr

Bachelor of Physiotherapy:

https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.careers360.com/courses/bpt-bachelor-of-physiotherapy/amp&ved=2ahUKEwjUr4ahh8z1AhV1JaYKHen6C4sQFnoECAQQBQ&usg=AOvVaw3ALCHo1tTz3zATu0Leies6