In a bowl take refined flour,cumin,carom,crushed pepper corns ,salt and 1/4 cup cooking oil.
Mix every thing well then add some water and make a medium stiff dough.
Cover with a cloth and let the dough rest for 15 minutes.
Make small balls from the dough.
Roll the dough balls to make small thin pooris.
Make vertical slits all over leaving some portion on the sides.
Now roll the pooris to make a cylinder.
Heat enough oil in a deep pan.
Deep fry the prepared karelas on medium to low heat in batches.
Fry all the karelas and drain on a paper napkin.
Arrange few fried karelas on a plate and put some boiled potato cubes over it.
Drizzle some yogurt ,green chutney and tamarind chutney.
Sprinkle roasted cumin powder,red chili powder and black salt.