Most "index of" directories host compressed, low-bitrate files. You might end up with a CAM-rip (recorded in a theater) with people coughing in the background, ruining the cinematic experience.
A genuine “workprint” of Delhi Belly is not officially released. Any file labeled “work” online is almost certainly a fan edit, a low-quality pirated copy, or malicious software. The official theatrical cut (approx. 103 minutes) is the only version approved by the director (Abhinay Deo) and producers (Aamir Khan). index of delhi belly movie work