retrofit

/ɹɛtɹoʊfɪt/noun

noun

उन्नयन; पश्चात् संयोजन; नई उपकरण जोड़ना

the act of adding a component or accessory to something that did not have it when it was manufactured

the court ordered a retrofit on all automobiles
अदालत ने सभी वाहनों पर उन्नयन का आदेश दिया।