IIT Kanpur is well known for its cutting-edge research facilities in India. It has many unique aspects like the unique wind tunnel facilities for Aeronautical Engineering to supercomputers for CSE. It also has a rich research culture and contributes to Industrial trends.
Most of the professors here are involved in research and thus there are excellent research opportunities in every field at IIT Kanpur. Due to this many students willingly pursue research despite the placements being very good. IIT Kanpur gives equal opportunities to students of all fields and lets you explore all your passions.
Infrastructure-wise too, IIT Kanpur is better than most IITs providing the best hostel facilities, and extracurricular and academic facilities.
So now the question arises, despite being excellent in every aspect, why do people prefer IIT Bombay and IIT Delhi over IIT Kanpur? Well to state the most common reason, top rankers want to follow the herd and thus end up either in Delhi or Bombay. Other reasons might be
The location of IIT Kanpur may also affect one’s decision of joining it
The trend of top 100 rankers going to Bombay or Delhi also leaves Kanpur underrated
Bombay and Delhi slightly enjoy better placements than Kanpur
The rankings also consider Kanpur below Delhi and Bombay. In reality, these rankings are subjective but for students, these become the basis on which they make their decision.
To conclude, there is nothing wrong with IIT Kanpur and yes it is indeed underrated because of the trend of top rankers flocking to Bombay or Delhi with no clear reason.