As of my latest knowledge update, — the Spanish-language spin-off/prequel to the 2018 Netflix hit Bird Box — does not have an official Hindi dubbed version released by Netflix.
You may find on certain websites or Telegram channels. However, these are: Bird Box Barcelona -2023- Hindi Dubbed
Post-Apocalyptic / Horror / Sci-Fi / Thriller Language: Hindi Dubbed (Original: Spanish/English) Director: Álex Pastor, David Pastor Cast: Mario Casas, Georgina Campbell, Diego Calva, Alejandra Howard "Bird Box Barcelona" (2023) As of my latest