Ph.D

Ph.D in ECE is available in the college. Check the link for details:
https://reva.edu.in/soece/phd-ece
For integrated course, check with the college once.

In which college/university you wish to apply? With 40% marks, you won't be eligible to go for Ph.D.

Hello Shaikh,
There are a large number of institutions offering facility for doing research in dairy technology. IGNOU, the leading university in distance education too offers this course. But fundamentally it depends on your attitude and aptitude and desire that will fetch you an actual degree. I am attaching a link that will give you all the required information.
http://www.ignou.ac.in/ignou/aboutignou/school/soa/programmes/detail/615/2

Hello Priya,
After completing Ph.D, you can become a professor. You can even become a principal of a college.

IIT's are prestigious but when it comes to PhD, you should probably opt for a course abroad if you have decent marks in your undergraduate and graduate programs, as the job opportunities almost triple.
IITs are mainly good for pursuing engineering, that's what I believe

Here is a link that can help you- https://manipal.edu/mu/academics/phd.html

Here is some helpful information for you:
https://www.shiksha.com/university/the-lnm-institute-of-information-technology-jaipur-25194/courses