Hello.
For having complete detail of diploma in optometry from sangai international University Manipur I will suggest you to go with the below link which is the link of official website of sangai international University Manipur.
http://sangaiinternationaluniversity.com/
you can also go with the below link where you can see all available courses in sangai international University, Manipur which will help you to know all about this university.
https://www.careers360.com/university/sangai-international-university-manipur/courses
Best of luck.