Eclipse bundles.info

What is bundles.info file in eclipse ?

The file bundles.info contains a list of all the plug-ins installed in the current system. On startup, all the plug-ins listed in this file are given to OSGi as the exact set of plug-ins to run with.

Where can i find this file in eclipse ?

You can find in eclipse/configuration/org.eclipse.equinox.simpleconfigurator/bundles.info

eclipse/
   configuration/
     config.ini
     org.eclipse.equinox.simpleconfigurator/
       bundles.info
   dropins/
   features/
   p2/
   plugins/
   eclipse.exe
   eclipse.ini
   ...

Resources:
https://wiki.eclipse.org/Equinox/p2/Getting_Started