"She was my everything, she didn't do anything wrong," sobbed Mohat after witnessing the end of an agonising rescue bid involving everything from a mechanical digger to bare hands.
The Mohat family, who live in Kathmandu's densely-populated Balaju neighbourhood, were at home on Saturday lunchtime when a 7.8-magnitude earthquake ripped through the capital and surrounding towns and villages.
Mohat himself was away from the house for work but most of the rest of the household managed to flee quickly from the falling masonry.
"It all happened so fast...The house crashed at an angle," said the father.
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"The entire load came on the ground floor. We kept screaming, calling their names from the outside for the first two days but there was no opening to enter or look into the rubble."
Mohat pleaded with the hard-pressed rescue teams to try and find Prasamsah, refusing to give up hope that she had survived.
Initially, his pleas were rebuffed as the rescuers feared that the continuing aftershocks would make any such bid too risky.
Reaching the house down a narrow alleyway was a challenge in itself, and required the use of a digger to claw away at the mounds of rubble.
A police official who took charge of the operation barked out warnings not to stand anywhere near buildings that were "Some of them have cracks and may collapse on you," the officer told a AFP correspondent, refusing to give his name.
On reaching the home, the rescuers used the digger to prop up a section of the building that was teetering and in danger of falling onto the rescue team.
A steady crowd soon built up around the rescue site, although some neighbours looked on more in hope than expectation.