Bhai hm to smart card waale bande h, sasta b pdta h aur kbi kbi use krna hota h jb travel krte h via delhi, ab to delhi k log hi smjhenge is step ko, bt change ka bhut panga hota h yaar, sach me, token dene waalo ki dine bhar ki kamai ho jaati h 2-2 rs se ikkhata kr kr k,