what is ev coach in train

After searching, it seems that "EV coach" is not a commonly used term in the context of trains. However, "Vistadome coach" is a term that appears in the search results. A Vistadome coach is a type of ultra-modern coach made by the Integral Coach Factory of Indian Railways. These coaches have large glass windows and a glass ceiling, which offer panoramic views of the train journey. The term "EV1 coach" has also been mentioned in one of the search results, and it refers to the first Vistadome coach.