issues with pbuilder

[Rajesh pant]

hi,
i still not able to create base image of my distribution with the command-
#pbuilder --create
it is getting the same error as before--

W: /root/.pbuilderrc does not exist
Distribution is tejas.
Building the build environment
 -> running cdebootstrap
/usr/bin/cdebootstrap
E: Unknown suite tejas
pbuilder: cdebootstrap failed
 -> Aborting with an error
 -> cleaning the build env
    -> removing directory /var/cache/pbuilder/build//4677 and its
subdirectories

is there any alternate way for creating base image.
i hope someone there has an idea.
thank you.
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