i have invented a new farmula train type.My new invented train speed is asa fast as 1 kilometer in one second. low spead as u set lo example 200km per hour or 500km par haur train Andheri to Ghatkopar journey time just 2 minutes, fare just 5 ruppes construction cost tenth of present metro train.( minus point (of this train formula is this can be used by only youngster people. my other invention is motar without electric . can be used in any work. thanks