Check for Internet connectivity, get that working.
Then run "pre_arch_chroot.sh" with manual UEFI mods if required. This will ask some confirmations, give it.
And obviously these scripts have my name for 'username', so run following command on both scripts before using.
sed -i 's/abhishekkr/$YOUR_USER_NAME/g' post_arch_chroot.sh
Once it get you to chroot, run "post_arch_chroot.sh".
just use "fdisk /dev/sdX" to get your partitions right, use "mkfs.ext4 /dev/sdXY" or similar util to format... and get ahead with the provided scripts to get the base set-up.
all names preceding 'pacman -S' are the package that these scripts will install for you, which are mainly XFCE Desktop Manager, Firefox, Chromium, VLC, MPlayer, Ruby, Python, Haskell, VIM, Lua, VirtualBox, Qemu, Slim Login Manager, Thunar File Manager, etc.