KH-31 also know as AS-17 Krypton in the west. This is an ait to surface missile carried by Sukhoi and MiG Aircrafts. This is a super sonic missile with speeds beyond Mach 3.5 and range upto 110Km depending up on the version.
The model is of Kh-31A/P anti radiation and anti ship. the booster at the back of the missile as well as the covers of the air inlet ducts of ramjet are separate objects.