You can legally stream or download G.I. Joe: Retaliation in Hindi through several official platforms. Official Streaming and Download Platforms
To watch in Hindi, your best bet is to use official streaming services. These platforms provide safe, high-quality MP4-format streams that support Hindi audio and subtitles. Official Streaming Platforms You can legally stream or download G
If you tell me your country or preferred legal platform, I can suggest where to check first. Check if any TV channels or cable/satellite VOD