IIT BHU is underrated primarily because of its infrastructure. There’s a lot of issues with this since it is a 100-year-old construction and since then, there have only been renovations all around the campus. Also, it has become an IIT only in the year of 2012 and started receiving hefty funds only since then. Over the years IIT BHU improved its infrastructure but it will take few more years to reach the same level as other IITs. After getting the status of an IIT, the institute is looking after the students’ facilities and spending a lot on the extra-curricular activities. It is surely underrated as of today because of the infrastructure, but hopefully, that will change in the coming years.