In many regions, including India, downloading copyrighted material from unauthorized sources is illegal under the Copyright Act. You could face legal notices or fines.
Instead of risking your device’s security, you can find the Underworld movies on legitimate streaming platforms. These services often offer the films in high definition (1080p/4K) with official Hindi audio tracks:
Pirated "upd" links are often "cam-rips" or have distorted audio, ruining the cinematic experience of a visually stunning series like Underworld .