identification - What is this bulb with pink single flowers and glossy strap-like leaves? - Gardening & Landscaping Stack Exchange

I live in Sri Lanka. But this is not a local plant. Can anyone point out the name of the plant of this flower. The leaves of the plants are pointed with red arrows. The leaves of the plant are only

identification - What is this bulb with pink single flowers and

identification - What is this bulb with pink single flowers and