Hello aspirant,

You wanted to get seat for the course bsc hons and its a 3 year degree and in the entrance exam IIT jam you should get more than 55 percent of the marks so that you may get seat in good colleges and comparatively presidency college is the best college and have good ranking too and belur and jadavpur also have good rating but presidency college is good compared to three and if have reservations its fine you make task very simple but to get in that colleges you must get above 55 percent marks study well and work hard .All the best. I think my suggestions and knowledge may be helpful to u.

Thank you!!!