Steam the jackfruit pieces for 15 minutes or until soft.
Mix the jackfruit,grated mango and Salt.
Cover it and keep it aside for 6-8 hours in sun.This will help the grated manto to release the juices.
Mix all spices along with fennel, fenugreek seeds with oil,vinegar and mango-jackfruit mixture.Also add the vinegar and oil.
Transfer to clean jar.Push the pickle down with the back of the spoon.After a few days, the oil wil come to the top, if it does not come, add little more oil.
Tightly close the lid of the jar and keep it out in the Sun for a period of 1 month.
Stir the contents at intervals of 5-6 days with a clean dry spoon.
Once ready, store it indoors in a cool dry place.