Kairi ka do pyaza is a lamb meat preparation along with unripe green mangoes from Hyderabad, India.
Dopiaza is an onion gravy preparation with a souring agent.
Tomatoes, lemons, gooseberries or unripe green mangoes are the usual souring agents used.
One can also prepare a vegetarian do pyaza without adding meat.
The acetic flavor of the unripe sour green mangoes in the current recipe adds a distinct kick to the curry.