Project Kusha is a project to produce the Extended Range Air Defence System, an Indian long-range mobile surface-to-air missile system being developed by the Defence Research and Development Organization. From Wikipedia
Securing Moscow’s commitment on final S-400 batches at Qingdao underpins India’s broader drive to modernise its Sukhoi-30MKI fleet, explore S-500 acquisitions, fast-track Project Kusha development
