Hi aspirant

You can definately get IIIEST,Shibpur if you All india rank in Jee mains in 23 K.Different branch have different cut off .It changes every year.

But you have scored enough and you can get any branch of your choice.

You can check previous year cut off here: https://engineering.careers360.com/articles/jee-main-cutoff

Opening and closing rank of IIEST shibpur are:5k and 33k respectively.

Hope this was helpful.