The RRB Group D examination will most likely be held in July 2022 by the Railway Recruitment Board (RRB). If you are willing to work for the Indian Railways, you should read this article at least once. I'm pointing you in the right direction for getting good grades and securing your seat. Mathematics: Begin with simple topics that require the use of formulas or simple calculations, and then progress to more difficult topics. Reasoning: https://www.testwale.com/test-series/14/rrb-group-d/