sps 7 equals to bps 16 sps 8 equals to bps 17 and so on...
sps adopted by strategic organizations working on special kind of works and projects like atomic energy commission,krl,nescon,ndc,spd etc...

difference between sps and bps is that pay of sps is more than bps...
starting pay of sps 7 is about 50,000 and sps 8 is 60,000...