Need help on starting a bus service on NH 4 between Pune and Satara

Gurus, A relative of mine, knowing that I am passionate about vehicles and am active on TBHP, has asked me fetch some information on starting a bus service between Pune and Satara. He plans to buy a bus and deploy it to ferry passengers between Pune and Satara (the locations are not final yet). He needs help on knowing the following things: What is model on which such services are run? What permits are required to run such services? What are the challenges in starting this? What are the challenges in running this on an ongoing basis? If someone can help with gross math of this model. Any help will be much appreciated. Mods, I just hope I have not breached any rules of the forum. Warm regards, Dushmish

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