apki video bhale lambi he but sikhne ko bahot milta he ,,,or jise sikhna he usse video lambi hogy to bhi problem nahi hogy,,,,video jitna lamba hoga utni accuracy jyada ati he,,,, bahot sukriya sir ki app achi video bana rahe he jo sikhne me bahot easy he ...dhanyavad ,,,,,ese hi video banate rahe jo hame kamme aye,,,