Yes i found the solution. May be this can help others. Cheers
if(function_exists("wp_gdsr_render_article")){wp_gdsr_render_article($template_id = 0, $read_only = true, $stars_set = "", $stars_size = 0, $stars_set_ie6 = "", $echo = true);}
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Put this code under the loop. This will show the readonly stars with rating.