To add to your point Excerpt from a news item earlier this year when the MAQ MP went with a request for moving MAQ to a diff division
" Creating a separate division for Mangaluru poses technical and financial issues as the operational area is split under zonal railways–South Western and Southern Railway, and Konkan Railway Corporation Ltd and Hassan Mangalore Rail Development Company Ltd. Since corporations are independent entities under the ministry with a different shareholding pattern, it will not be easy to run rough shod over them "
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