The hero dad who died trying to save his twin daughters from a train has been named, as he is remembered for his heroism.

Anand Runwal, 40, died on Sunday afternoon after he jumped onto train tracks at Carlton railway station, in Sydney’s south, to save the two-year-olds in their runaway pram.

As he tried to lift the pram, his wife Poonam Runwal, 39, was reportedly heard screaming: “Save my babies”.

The father and one of the twins died.

The other girl survived only because she fell between the tracks. She was plucked from underneath the train after emergency responders heard her cries.

The little girl and her mother were taken to St George Hospital, both in stable conditions. They have since been discharged.

It emerged on Monday that the Runwals had moved to Sydney only in October last year, when he got a new job. The Indian community is said to be rallying around the family, with flowers and other tributes left at the station on Monday.

“It is with a heavy heart that I share the tragic news of the untimely passing of Anand Runwal … and his daughter. Our deepest condolences go out to their family and loved ones during this incredibly difficult time,” one friend wrote on a Facebook group.

Anand and Poonam Runwal and their twin girls moved to Australia less than a year ago. Photo: Supplied

Several investigations are under way into the tragic deaths, including a coroners’ inquiry and a probe into the train’s speed.

Sydney Trains chief executive Matt Longland said the train, which was not due to stop at Carlton, had approached the station with caution as drivers were instructed to do.

All relevant information, including CCTV footage from the station, had been handed to police for their investigation, he said.

The National Rail Safety Regulator has also been notified.

NSW Premier Chris Minns said any necessary changes identified by the investigations would be made – although he would not immediately commit to replicating measures such as the glass barricades used on metro stations.

“We will take steps that we need to take to keep people safe,” he said on Monday.

“Unfortunately, public transport, particularly train stations, can be dangerous and it’s incumbent upon everybody to be as safe as possible.

“We’ll do everything we can to keep the public safe … obviously it’s a terrible, terrible tragedy, but train stations can be very dangerous places and we all need to be cognisant of that in all circumstances.”

On Sunday, Minns praised Runwal, who “gave his own life to try to save his children”.

“I hope over time they can gain some small solace knowing that the father died from an extraordinary, instinctive act of bravery,” he said.

“That’s not going to bring him or his little daughter back. But it shouldn’t go unremarked upon in the face of a terrible, terrible accident, he gave his own life to try and save his children.”

NSW Police Superintendent Paul Dunstan said Runwal went into “parent mode” after his daughters’ pram rolled in front of the train.

“In doing so, it’s cost him his life, but it’s an incredibly brave and heroic act,” he said on Sunday.

The girl who survived was saved by “good luck more than anything”.

“The police that climbed under the train said that she was sort of in between the tracks, the way that she’d fallen, and she was largely untouched,” Dunstan said.

He said the children’s mother was in “a state of shock and struggling with what’s happened”.

-with AAP