sudhir@sudhir-ubuntu:~$ cat /boot/grub/custom.cfg
menuentry "Windows 7 (loader) with grub ntldr workaround" --class windows --class os {
	insmod part_msdos
	insmod ntfs
	set root='(hd0,msdos1)'
	search --no-floppy --fs-uuid --set=root FAF0F57DF0F54085
	ntldr /bootmgr
}