How long will it take for Hanover dsh to produce results?

In 2-4 months. According to official website of Hanover University, Hanover University is a polytechnic university in Hanover, Lower Saxony, Germany, in which dsh is a German entrance examination for foreign applicants, and the results will be announced within 2-4 months after the examination, and the examination time is from February to April and from July to September every year.