RDM is fright loco pilots exchanging point, which is having freight depot.
Its passenger earnings are not low even this station is inconvenient acess to bus station and public areas. people who use this station are mostly long journey passengers. Some times station category A or B is not a matter. whether SF halts are deserving for long journey passengers or not. Concerning long route trains One person traveling from khammam to Delhi is more important than 10 people traveling from khammam to Gudur ( just for example only) even though overall earnings are more.