You dont know anything...
1) keralities unlike people from the north dont migrate within india they prefer gulf and another foreign nations...
2) they are planning to construct standard guage tracks which every other high speed trains and even metro trains use..
3) konkan railway runs through mainly forests so if that was neccesary then why it cant be ?
4)...
more... for the same distance i mean around 500 KMs mumbai-ahmedabad project's initial estimated cost is around 1.5 lakh crores while the silverline project costs around 60 thousand crores only
5) the fare of the ahmedabad bullet train is going to be over 4 thousand rupees per pax per trip
But the fare of silver line trains is going to be 2.75 rupees per km so that means fare will around 1400 rupees for the entire journey..so middle class cqn easily afford that...