Presented in World Hydro Conference 2012 in New Delhi The detail working is avialable in video http://www.youtube.com/watch?v=kcf5bGglRXg The theoretical description in http://www.google.co.in/url?sa=t&rct=j&q=&esrc=s&frm=1&source=web&cd=2&cad=rja&ved=0CDIQFjAB&url=http%3A%2F%2Fwww.tjprc.org%2Fdownload.php%3Ffname%3D2-11-1361528273-3.Civil%2520-IJCSEIERD%2520-%2520Introduction%2520to%2520-full.pdf&ei=yTxtUpLIB46BrgeU2YHQDA&usg=AFQjCNFgLuyDjYUsptplm157MorW9oOinw&sig2=UbmAqRiAPDFJ6NZt2MBBeg&bvm=bv.55123115,d.bmk