Method 1
Fry onions in a oily pan
When the onions are dry add curry leaves, enasal (cardamom) and cinnamon.
Fry more and add tamarind water without the pieces.
Fry more until golden brown
Add maldive fish chips
Mix and fry more add chili powder (brown the powder in the same pan on a side until dark colored) and salt.
Mix and fry more. Add some sugar.

Method 2
Add onions, darkened chili powder (darkened in the pan), curry leaves, enasal (cardamom), cinnamon, salt, tamarind water, Maldive fish
Mix the above well.