Mumbai Sub urban railway ki tarah Delhi Sub urban Railway ko bhi IR ko develop karna chahiye .. kam se kam DELHI NCR ke sabhi shehar 150 km tak suburban railway se judne chahiye jiss se daily waha tak log commute kar sake EMU MEMU ya DEMU har NCR city tak ho khaas kar peak hours mein toh .. Kuch Shehar toh judde hue hi hai Delhi suburban railway par abhi bhi kuch NCR city nahi judd paye hai.. for example alwar..