chop your tomatoes finely and keep it aside. This recipe requires panch phoron spicemix. prepare it and keep it aside. check this recipe for the reference.
Heat mustard oil in a pan.
Add panch phoron spice-mix and saute it.
add dry red chili.
Add chopped tomatoes.
cook it or 5 mins.
add chopped dates and raisins.
Add salt to your taste.
Add water and mix.
add dry mango powder/amchur powder and mix.
cook until tomatoes is mushy.
Video
Notes
adjust sugar according to your taste.
I am using powdered sugar here but you can use regular sugar here.
mustard oil has a very strong flavor so, If you using it the first time or you have a doubt about the flavor and aroma then use 1 tsp cooking oil+1/2 tsp mustard oil.
you can store this chutney for 3-4 days in the refrigerator.