Solution to the problem of not being able to access the guest OS from the host in VirtualBox is given with steps.
Solution to the problen of not able to mount VirtualBox Guest Additions CD image and installation of Guest Additions.
Resoution of the problem of "vboxdrv kernel module is not loaded" during the first time running of VirtualBox after installation.
Resolution of the error observed while running VirtualBox the first time, "No Bootable medium found. System halted".