This type lamp famous in South India esp. in Kerala state

This compact file includes single flame lamp with animation both for flame movement & flame shape change using morph.

Here two files given, One for blender user, another for Unreal engine.

Above sample pictures first one rendered with Unreal Engine & second one from blender cycle

Important/Additional Notes for Unreal Engine User:

Unzip Indian_Lamp_Single_Flame folder to your Unreal Projects folderOpen ILSF project in Unreal EditorMigrate level Indian_Lamp_Single_Flame to your project content, drag blue print BP_ILSF to your level n place it. It will start to animate(To watch change in flame shape n more you should press play button for simulation in unreal engine)

Both Unreal Engine & Blender created with 5.4 & 4.2 respectively, didn't check for lower version comparability.