Mapper.CreateMap<Kala, KalaViewModel>()
           .ForMember(des => des.Brand_Name, op => op.MapFrom(src => src.Brand.Brand_Name));

            var kalas = new[]
                {
                    new Kala
                        {
                            Kala_id = 1,
                            Brand = new Brand {Brand_id = 1, Brand_Name = "Nike"},
                            Fee_Kharid = 150000,
                            Name = "Shoes"
                        },new Kala
                        {
                            Kala_id = 2,
                            Brand = new Brand {Brand_id = 1, Brand_Name = "Nike"},
                            Fee_Kharid = 12000,
                            Name = "Shirt"
                        }
                };

         
 var kalaviewmodel = Mapper.Map<Kala[], KalaViewModel[]>(kalas);

public class StructureMapValidatorFactory : ValidatorFactoryBase {
public override IValidator CreateInstance(Type validatorType) {
return ObjectFactory.TryGetInstance(validatorType) as IValidator;
}
}