Rinse chillies.remove stem,keep soaked in about half cup hot boiling Water for about 30 minutes.
In hot Oil add Cumin and Coriander seeds.Let them to crackle on low.
Then add Onion,Garlic and Ginger.Saute till Onions change colour.( It will take 2-3 minutes on medium )
Add strained out soaked chillies.and sauté 2-3 minutes more in between adding Salt and Tamarind.
Let it come down to warm from hot and grind it into a fine paste/chutney adding the reserved water in which chillies were soaked.
To temper chutney again heat Oil and in it add all the whole spices.
Let the spices crackle on low 1-2 seconds and then switch off stove.
Add the made chutney over the temper.
Mix and cook on low for 1-2 minutes.
To adjust consistency you can add 1 cup of Water .
Cook on low till Oil comes up and the chutney will also start splattering.
Switch off cool and store.