Yes dear, you can get chemical in NIT Rourkela if you are from Orisha other wise you can get Ceramic Engineering or biotech in NIT Rourkela and I have also attached the link of previous year cutoff, do check it for a better idea which another branch you can get. And you can also use our JEE Mains college predictor to know which other colleges you can get.

https://engineering.careers360.com/articles/jee-main-cutoff-for-nit-rourkela