Here is a ppt I made with my lab-mate Praveen Krishnan, where I have compiled how to write in LaTeX documents using different languages. I have compiled it from various sources ... I hope it is useful to you all...
http://researchweb.iiit.ac.in/~swagatika.panda/Documents/UnicodeText_Latex_Tutorial.pdf
References:
http://researchweb.iiit.ac.in/~swagatika.panda/Documents/UnicodeText_Latex_Tutorial.pdf
References:
- Using Devanagari in Latex, http://pravin.paratey.com/posts/using-devanagari-in-latex , Accessed on:21stMarch,2014
- Devanagari for TEXVersion 1.2, User Manual
- Installing and using XeTeX http://tex.stackexchange.com/questions/35360/installing-and-using-xetex ,Accessed on: 22nd March, 2014