First of all I am also from nagpur... 2nd this is a total useless suggestion which lacks general knowledge of IR n human backbone... I know lots of ppl who travel from Nagpur to delhi n vice-versa... trust me evry1 of them gonna lol on dis... 13 hrs that 2 sitting... i thnk ppl of nagpur wants an overnight train to delhi juss like ngp-cstm duronto, nt an extended version of media imagination n back pain.