sir, some decisions cannot be debated,even in a debating forum.There is no use even if we debate.
You are asking trains which other cities have got to be diverted/given to your city ie Chennai.Practically it might no be possible.However there is no denying the fact the Navjeevan is crowded and chennai needs an additional train to Ahemedabad.
You are also asking for extension of west coast to Madgoan.It is my duty to remind you that West coast ha an RSA(rake sharing arraingement with Mangaloree-chnnai mail) and hence cannot be extended.