Question:

If a person travels in a train in India without a ticket, would he be sinful in the eyes of Allah?

Answer: حامدا ومصليا ومسلما

This is not permissible.

[Imdadul Fatawa Vol.2 Pg.358]

And Allah knows best.

(Hazrat Mufti) Ahmed Khanpuri (May Allah protect him)

Mahmoodul Fatawa Vol.4 Pg.713