Rajdhaniwap -
Answer: Only on sections that are still non‑electrified. As of early 2026, > 95 % of the main Rajdhani corridors are electrified, so diesel haulage is rare and limited to contingency situations (track work, emergencies).
Answer: Roughly 30–40 % of the fuel that would otherwise be consumed by diesel generator cars, plus a reduction in CO₂ emissions of about 0.5 kg per km per train . rajdhaniwap