At the 23 minute mark Tony's "gun shot" head wound has miraculously disappeared.
At the start, when Tony is shot at, he covers his left eye in pain: yet when they turn him over, he is bleeding over the right eyebrow.
Today India does not have a western border with Afghanistan. To the west of India is Pakistan, since its creation in 1947, and it has the western border with Afghanistan. But this story is set in 1886. The episode is quite correct in its geography.