Tamarind and Dates Chutney

Remove the seeds of dates and tamarind. Then add dates and tamarind along with 1.5 cup of water in a pressure cooker and cook until 4 - 5 whistles.
Let the pressure come down itself then add this mixture in a grinding jar and grind it. If needed then add some water.

Now pass this mixture through a sieve.
Now transfer this mixture in a pan, turn on flame. Keep the flame on low.
Add remaining all ingredients mix everything together. Stir often and cook until it become sauce like consistency.