Hi there,

There are many ways to get knowledge jn the field you want. As you have mentioned that you have done your undergrad in ECE and M.Tech in Embedded systems.

See, you can go for PH.D in Nutrition as for PHD program, you can choose any respective field you want. The most important thing that matter is the need for the course along with the interest.

There is no short cut but you can try online courses as well.

Entrance exams: LPU NEST, KCET, MDUCEE

For more detailed information, check out this link: https://www.careers360.com/courses/nutrition-and-dietetics-course

Hope this helps.

Thank you and Good luck:)