hi,

I assume you are asking about m.sc in Food and Nutrition in Indira gandhi national open university. however ignou is one of the prominent university in india and has many of its local center where you may contact for necessary information as well as study purpose guide and enrollment related issue.

however still not you have not received the enrollment number you may contact with ignou student help desk number.

follow the below link to know the center wise contact number,

http://www.ignou.ac.in/userfiles/ContactUs-2019.pdf