Combine idli batter,oil, curd,fruit salt and salt in a deep bowl and mix well
Pour 1/3 of prepared batter on greased thali and tap well to spread evenly
Steam it on a steamer for 3-4 minutes or till done.Keep aside
Repeat step 2 and 3 to prepare one more dhokla thali
Cool slightly, loosen the edges and remove with help of flat steel ladle.Keep aside
Place a cling film on clean, dry flat surface and brush it with oil and sprinkle kala til and coconut mixture evenly over it
Place one dhokla sheet and spread half of cheese and sauce mixture over it with help of butter knife
Place capsicum strips overlapping on one side
Roll it very tightly,pressing each time while rolling.Make sure that cling foil is not rolled while rolling
Place the rolled dhokla sushi on a clean dry surface and cut in eight pieces with sharp knife
Now it is ready to serve