Vivo V11 Pro is made of industrial grade polycarbonate material.
Yes, Vivo V11 Pro does have the Corning Gorilla Glass 3 protection.
Yes, Vivo V11 Pro does have the in-display fingerprint scanner.
Yes, Vivo V11 Pro does have the App clone support. You can run multiple social media and WhatsApp accounts.
The Vivo V11 Pro is a solid all-rounder at Rs. 25,990 and offers better value than the Oppo F9 Pro (Review), but for a bit more money. Think of it as a Vivo X21 with a bigger battery and better front camera, but at a much more reasonable price, which is a good recipe.