See all this fields you have mentioned have really good job perspective in the industries. So if you wish you can go for the Data Science or ML-AI. Now as per the industry exposure in India, there are more vacancies available for Data Scientist over the ML-AI although ML-AI is a part of Data Science. So if you wish to go for a field with more job openings then I would recommend you to go for the course of Data Science.

To know more about Data Science, visit the link below:

https://www.careers360.com/courses/data-science-course

To know more about ML visit the link below:

https://www.careers360.com/courses/machine-learning-course

To know more about AI visit the link below:

https://www.careers360.com/courses/artificial-intelligence-course

I hope this answer helps. All the very best for your future endeavors!