Hi Jagrut >where >should *I start. here it goes http://blenderartists.org/forum/forumdisplay.php?50-Beginning-Blender-Code-and-Development- a forum where you may find information how to start coding. maybe http://blenderartists.org/forum/showthread.php?218683-Getting-Started-with-Blender-Codingis a first thing you might read. Regards Sergey