which college is best either mvgr or gmr

GMR Institute of Technology has been rated with AAAA Grade but has not yet recieved any ranking from NIRF. MVGR College Of Engineering is quite average in terms of placement. Now comparing these two colleges, you can go for GMR Institute of Technology as this college has better placement records than others. However you haven't mentioned the stream you are enquiring for. But Computer Science has been the best discipline with highest placement in these colleges. Companies like Hexaware, Amazon, TCS Digital, TCS Codevita, Wipro, Infosys etc recruit CS engineers from this college. You can read the student's reviews here for more detailed Information on this http://www.careers360.com/colleges/maharaj-vijayaram-gajapathi-raj-college-of-engineering-vizianagaram
http://www.careers360.com/colleges/gmr-institute-of-technology-rajam