Which one of the following sets of states stands to benefit the most from the Konkan Railway?

1. The question asks which set of states benefits the most from the Konkan Railway. 2. The Konkan Railway connects Roha in Maharashtra to Thokur near Mangalore in Karnataka, passing through the coastal regions. 3. The railway line traverses through the states of Maharashtra, Goa, and Karnataka. 4. It significantly reduces travel time and distance between Mumbai (Maharashtra) and Mangalore (Karnataka), and also provides connectivity to Goa and coastal regions of these states. Additionally, it facilitates easier connectivity for traffic originating from or heading towards Kerala, further south. 5. Therefore, the states standing to benefit the most are Goa, Karnataka, Maharashtra, and by extension, Kerala.