[Tugindia] how to include .tif graphics ?

[shrivijay phadke]

I want to include .tif figure in my latex document. I PdfLatexed my .tex 
file that included something like:

\documentclass{article}
\usepackage[pdftex]{graphicx}
%\usepackage{graphicx}
%% OPTIONAL: In the main document, immediately after
\begin{document}
\DeclareGraphicsExtensions{.jpg,.pdf,.tif,.tiff}
\begin{figure}
\includegraphics{pic.tif}
\caption{tiff}
\end{figure}
etc.
I get the following error message:
... unknown type of image

Where am I going wrong? I use PdfLatex from Miktex distribution. It works 
fine on .pdf and .jpg files.

Phadke

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