Heat water in a steamer and steam sweetcorns for about 8-10 minutes.
In a pan , heat 1 tablespoon of oil . Add mustard seeds and allow it to splutter.
Now add in cumin seeds/ jeera seeds and split urad dal , allow it to change colour.
Add chopped green chilies , 1 sprig curry leaves , and 2-3 broken dry red chilies. Also add in ¼ teaspoon of Hing / asafoetida , mix well everything and Saute for 2-3 minutes.
Now add in steamed sweet corns and stir well everything.
Add salt as per taste and mix well everything.
Add in grated fresh coconut , mix well everything on high heat and turn off the stove.
Garnish with coriander leaves and squeeze in fresh lime juice , mix well and serve.