What do u understand by

Brown uniform and black uniform

Brown and black uniforms were worn by Nazi para military force from 1921 till the fall of Hitler in Germany. Along with a brown shirt uniform, SA members would wear swastika armbands with a kepi cap. 

Black uniform colors also indicated membership of the NAzi para military force however, these men wore all-black kepis and neckties, and (from 1929) black breeches and boots.