You need to download Digiyatra again. But it's less about a tech upgrade and

Digi Yatra is an industry-led digital initiative coordinated by the Ministry of Civil Aviation in India. Digi Yatra utilizes facial recognition to verify passenger identities at various checkpoints, such as check-in, security, and boarding gates, without the need for physical documents. User enrollment procedures and data pricacy concerns have marred the DigiYatra App since it's inception.