Hey Shoumik Bhattacharya,

VIT University is ranked as Top  most private university in India.

It is ranked at No.1 private university by NIRF MHRD Government of India 2018 because it has well equipped labs,infrastructure, faculty,facilities,administration, research and development too! 

You may had a mistake from your side because you may answered wrong option or else you may had counted wrong or else there might be even server problem which is showing wrong result! Any how you can solve this query by university authorities only! All the best!