Double decker Trains.

Very few of these India has a few double-decker trains, including AC and non-AC trains. Some of the double-decker trains in India include:

Mumbai Central–Ahmedabad Double Decker Express

Chennai–Bangalore Double Decker Express

Lucknow Junction–Anand Vihar Terminal Double Decker Express

Jaipur–Delhi Sarai Rohilla AC Double Decker Express

Howrah–Dhanbad Double Decker Express: The first air-conditioned double-decker train in India

Guntur - Kacheguda AC Double Decker Express: The first AC double-decker express in Andhra Pradesh and Telangana