Ph.D

Absolutely you can do Ph.D. after your MBA. However it is recommended that you should to go for industrial experience prior to your Ph.D. It not just help you to get selected in some top universities but also help you to do some real time research for that particular subject. Hope this helps.
Good Luck.

Dear Candidate, for taking admission in DITU one should have minimum 55% marks or CGPA not less than 6 on a scale of 10 in regular (not distance or any other mode) M.Tech Degree of a University or equivalent for Ph.D. in Engineering /Technology in respective branch. GATE/NET qualified students shall be preferred.

Yes. You can do PhD after M.Tech in food technology.

Amity University, Noida campus charges Rs. 33,500/-per semester for the part-time course.

You will find the sample papers here:
https://www.google.co.in/amp/s/www.shiksha.com/university/tezpur-university/exams/amp/tuee/question-papers

Hi,
The top ranking universities are usually the best research universities including Harvard, Stanford, MIT, Oxford, Cambridge, Sup Biotech in Paris, Trinity College Ireland, RWTH Aachen, Karolinska Institute, Kyoto University Japan and many more.