Most likely this is a Little Ringed Plover (Charadrius dubius curonicus), other subspecies very rare in region.
It is moving from a breeding to a non-breeding plumage.
Amar-Singh HSS (Dato’ Dr) – Ipoh, Perak, Malaysia
Location: Malim Nawar, Perak, Malaysia
Habitat: Ex-mining pools, fish farming, extensive wetlands
Date: 7th January 2021
Equipment: Equipment: Nikon D500 SLR with Nikon AF-S Nikkor 500mm f/5.6E PF ED VR, handheld with Rode VideoMic Pro Plus Shotgun Microphone