ICAR has a lot of institutes under it. So, its difficult to guess which one you want to know about. See this link for detailed info on ICAR colleges: https://icar.org.in/node/119
T alking of Acharya NG Ranga University, it has good ratings and reviews. It is a UGC approved university. Degrees you can pursue are M.Sc. Ph.D Diploma B.E /B.Tech M.E /M.Tech. B.Sc. B.Sc.(Hons)
For more info, visit https://www.careers360.com/university/acharya-ng-ranga-agricultural-university-guntur