Take maida in a bowl and mix salt, kalonji and cooking soda into it.
Then add ghee and make a tight dough by adding water.
Now cover the dough with a wet cloth for 30 minutes.
Make equal size balls from the dough. Roll each ball like a chapatti.
Take a knife and cut the roti horizontally and vertically such a way that it makes diamond shaped small pieces.
Repeat the same procedure for other balls which are made from the dough.
Now heat oil in a wok and fry the diamond shaped nimki under low to medium flame.
When they turn golden brown take out them from oil in a tissue paper to soak the extra oil.
You can store them in an air tightcontainer and serve your guest.