For the clickable buttons and links to work use xpdf or acrobat reader for the beamer.pdf file.
 Increase the zoom percentage (around 200%) for a better view.
 For generating pdf :
	 1)All images used in the presentation and the itx file should be in the same folder.
	 2)run: itrans -i beamer.itx -o beamer.tex
		 latex beamer.tex
		 dvips beamer.dvi
		 ps2pdf beamer.ps
	 3)Hindi fonts must be installed in the system to work with itrans.