Details regarding admission process of DElEd in Al Iqra Teachers Training College, Dhanbad for the session 2020-20 isn't updated in their official website, however the prospectus of previous year specifies admission process to be completely offline. You can reach out to them at 9835143996,8969581129,9334049113.
Eligibility Criteria; Candidate needs to have passed 10+2 from a recognized board with 50% aggregate, for SC/ST/OBC it's 45%.
You can go through the prospectus for more details regarding this; https://www.aittc.org/files/pros.pdf