What Is The Best Way To Go From Mumbai To Velankanni How Long Is The Train Ride From Mumbai To Agra, India And What Broad Gauge Line Does One Use?

How long is the train ride from Mumbai to Agra, India and what Broad Gauge Line does one use? - what is the best way to go from mumbai to velankanni

I am working in Mumbai for 6 months and, of course, you want to see the Taj Mahal. If there is an indigenous population, who have traveled to India, please let me know the best way to others on a flight. I want to see the country where you are, you know.