Kolkata Metro: The only Metro of IR. কলকাতা মেট্রো : তিলোত্তমার জীবন রেখা ।। - PPG

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GLASSROOF VISTADOME AC TOURIST COACH to ARAKU VALLEY (FIRST Time in India)
The never in seen coach of Indian railways...feels like you are traveling in some train in Switzerland and you can see the whole coach as transparent and even the roofs also...sit back and enjoy as the train passes through the Araku Valley amidst beautiful ghats & greenery....!!
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facts you must know about vistadome coaches:
1) The 40-seater coaches were flagged off by Railways Minister Suresh Prabhu, who took to Twitter to share some pictures of the plush interiors.
2) One of the stand-out features of the Vistadome coaches is the glass roof that boasts electrically controlled opalescence. Hence, the roof can be made transparent for the passengers to get a panoramic view of their journeys. In case passengers want a better view, they can head to the special observation lounges.
3) All the seats in the vistadome coaches are rotatable and are pushback chairs. This is once again to enable the passengers to take full advantage of the spectacular panoramic views that the coaches have to offer.
4) The coaches also boast a plethora of other features such as automatic sliding compartment doors, multiple television screens providing infotainment to passengers, wide side door for Divyangs, GPS based info system, LED lights and more.
5) The coach, which was flagged off by the railways minister, is currently running on a trial basis. Only after ensuring that they are able to run in top condition, will an inauguration date be fixed. For now, they are being attached to the Kothavalasa-Kirandul passenger train every day at 7.15am.
6) The Integral Coach Factory in Chennai, Tamil Nadu built the coaches. There will be a total of four of such coaches in the whole of India for now. Two will ply in Araku and two have been built for Kashmir.