The 12903 / 12904 Golden Temple SF Mail is a Daily Superfast Mail train of Superfast express category trains belonging to Indian Railways that runs daily between Mumbai Central (MMCT) in Maharashtra and Amritsar Junction (ASR) in Punjab.

During the autumn months between September and December, the train used to depart from the Ballard Pier Mole station.

Hunterwali, probably India's first action heroine, has acted in the film Miss Frontier Mail.

The Frontier Mail was the first air conditioned train in the Indian Peninsula, when it got an air-conditioned compartment in 1934.

It also has one Railway Mail service coach, one Pantry car & one High Capacity Parcel Van.