Keralites prefer the sweet one called Sugiyan, while the savoury version is common in the rest of India.
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Some regional variants in Kerala replace the potato with tapioca (Tapioca Bonda) or sweet potato and some onion, hard boiled egg (Mutta Bonda), masala, minced meat and other ingredients.
The fantastic scenery shown in the film is from an area called "Selesumthenne" at Nuwara Eliya with a background song "Bonda Meedum Kandu Relle-Surangana Rajadahane" (like living in a Fairy kingdom with surrounding misty mountains).
Bonda language or Remo, an Austro-Asiatic language spoken by the Bonda people of India