Cut a slice off the stalk end of the Tinda, then carefully scoop out the inside flesh with a spoon, keeping the tinda whole.
Chop the tinda flesh, discard any hard seeds, and put them into a large bowl. Add the salt, ground spices, and sultanas (golden raisins) and, mix together. Stuff the tindas with this mixture.
Heat the ghee in a large, heavy-based pan over medium heat, add the asafoetida and cumin seeds and, stir-fry for about 1 minute, then place the tindas in the pan in a single layer.
Pour in 500ml / 18fl oz (2 1/4 cups) of water, cover, and cook over low heat for 20-30 minutes, or until the tindas are tender.