Only West Bengal Docomile Person get Addmission in B.tech Course . Can Other State Person Get addmission in alliah university for B.tech.
In order to get admission in Government colleges of West Bengal you should have the domicile of the state, Other state students can apply for WBJEE to take admission in private colleges. You can check the complete eligibility with the given below link.
https://engineering.careers360.com/articles/wbjee-eligibility-criteria
Good Luck!