Where did you get this 475 number Rly minister always quote numbers and different speed specs every month. The present infrastructure is not capable of taking 130kph of all LHB trains and zonal rlys are sceptical of implementing in general TT.
As per this year 2023-24 VB production is around 75 rakes( will correct the figures exactly after verifying) They have given confirm order to BEML to manufacture 10 VB sleeper in phase 1 by the end of 2023-24 end and final number not mentioned any where. Titlagarh railsystems is given...
more... manufacturing contract for 80 trainsets to delivered from July 2025 upto 4 yrs and another 120 trainsets contract won by RVNL Russian firm which doesn't have any manufacturing unit and yet to setup.