Bullet train is needed but before that IR has to look on safety constraints which are right now.
Bullet train will be suitable only in cities which have a high GDP income.So more than investing money in these,IR can invest money in:
->LHBfication
->Making tracks strong
->Improving...
more... safety
Bullet train has its own + & -
+
Best for business people.
High speed,so less time.
Time will be equal to Aircrafts
Comfort level is in zenith
-
Right now Bullet trains are suitable only in High GDP cities
IR has massive safety constraints
Bullet train cannot be afforded by normal people
Raifan's point of view:
Bullet train is needed,but we cannot do doorplating with doors open :p