Your facts are wrong sir. Not 50%, Maha and Gujarat bot govts are bearing 25% cost of this project which is 5000 crore Rs. Source - click here
How can you say that this project will not benefit Mumbai based corporates and average Mumbai businessmen who consider Gujarat as a big lucrative market for their businesses? Have you done any ground work or surveys in Mumbai?
Secondly project feasibility report of the Mumbai-Ahmedabad High Speed Railway Project started during UPA-II in 2013 and concluded two years later, and the final approval was given...
more... by the Committee on Innovative Collaborations (CoIC) set up in 2015.
So if UPA initiated the feasibility study of this project how can they take U Turn and say that this project only is not good for nation. Hypocrisy!!