Take bittergourds of small size. Make slits narrowly (vertical section) ofaround the length of the bittergourd and insert salt into the bittergourds. And leave it for sometime until the salt melts and water comes out of those bittergourds.
Now take each bittergourd into your palms one after the other and remove water from them by pressing hardly. Repaet for all the bittergourds in the same way and put them aside. So that the bitterness out of the bittergourds is removed.
Now half grind the onions and garlic (into small pieces).
Now fry the bittergourds in about 60 gms of oil till brown colour. Now remove the bittergourds.
Mix all the ingredients (onion, garlic paste, ginger paste, red chilli powder, roasted channa daal powder and grated coconut and turmeic, salt required.) and fry for sometime in oil. Remove from heat and insert the above stuff into bittergourds unformly on sides. And fry for 40 minutes with oil. See that nothing sticks to the pan. We must always keep stiring. If necessary red colour of a pinch should be put after frying, stir for 2 minutes on lowflame.
Note: Take care to see that salt is not much. Because already bittergourds are marinated. So, even salt is drained out some amount of salt may be absorbed by bittergourds.