Prepare marination - Mix all the ingredients listed under marination - turmeric powder, Kashmiri chilli powder ( or chilli powder or paprika or cayenne pepper), lemon juice, salt, curd, vegetable oil, fenugreek leaves, cilantro leaves, coriander powder, cumin powder, pepper powder, garlic paste, ginger paste, garam masala powder and dried mango powder. Refer notes on the type of curd you can use. Kashmiri chilli powder may not be common in American homes. Paprika or cayenne pepper or regular chilli powder are good alternatives. I didn't use fenugreek leaves and dried mango powder.