sir? it is true? which you stated display boards in braille for the blind? you can ask why it is falls?i am saying yess. why because, modhi, modhi cabinet ministers all says in tv channals and showingalso intv channals blind can easly identfyd 2000, 500, 100 new notes[ in braille dots.no?]all blind you remamber na? i cont beleave in humsafer express train display boards in braille for the blind sir.