Squeeze out the water from the grated lauki and keep it in a separate bowl.
Sieve the wheat flour, sooji and gram flour in a bowl. Put grated lauki and all the other ingredients mentioned above to knead the flour into it. Use the squeezed out water of the lauki to knead the flour. Make a smooth dough from this mixture and leave it aside for 15-20 minutes.
Apply oil on your hand and make round rolls from the dough.
Take a steamer or an idli stand to steammuthia for about 25-30 min.
For tampering heat oil in a pan and add the cumin seeds, heeng, mustard seeds, sesame and curry leaves into it. Once the cumin seeds turns brown in colour add salt, lemon juice, pieces of muthia and coriander leaves to it. Mix them well and cook it for another 5-6 minutes.
Serve it with coriander chutney or mint chutney.
Likewise, you can also prepare methi orpalakmuthia.