Spanning 508 km & 10 cities, bullet train was launched by PM and then counterpart Shinzo Abe in 2017. The venture, for which Japan is providing 81 percent funding, was slated to be completed by 2023.

A Japanese railway expert has raised alarms about deviations from the original Shinkansen model in India's bullet train project, citing safety risks and procurement irregularities.

Spanning 508 km & 10 cities, bullet train was launched by PM and then counterpart Shinzo Abe in 2017. The venture, for which Japan is providing 81 percent funding, was slated to…