Take a presure cooker add oil,onion,salt cook till the onions are brown colour then add gingergalic paste,turmuric mix well now add mutton.
Now add little water,coriander powder,red chilli powder mix well and close it with the lid and cook till mutton is tender.
Now for the achari powder take a pan add methi seeds,murstard seeds,zeera,kaloongi, saunf,chironji, till,mix all well till they are fried and blend them.
Take the same pan add oil cumin seeds,methi seeds,kaloongi,blended paste,cook it the oil loses out now add the gravy of lamb which was cooked in the presure cooker let it cook.
Now once sauce is thick add mutton, salt,curd and mix well cook for 10 min in slow flame, sugar optional.
Finaly add coriander leaves,chillis,ginger slice,lemon.