Correct option is B
Explanation:
- Mumbai - Surat: Hosts the Flying Ranee Express, which is an AC double-decker train but was not India's first.
- Mumbai - Kolhapur: This route has multiple trains, including the Sahyadri Express, but no double-decker service.
- Mumbai - Manmad: The Godavari Express runs on this route, but it is not a double-decker train.
- Launch Year: The first double-decker train in India was introduced in 1990 on the Mumbai-Pune route.
- Significance: It helped in accommodating more passengers on one of India's busiest rail corridors.
- Current Status: The original double-decker coaches were later replaced with regular ones due to operational reasons.