1.if u can make an advertisement in news paper it is better also.
2.in capital police lost and found section u should submit your ID card copy. if you have passport copy with you attach that also.no charges i think. if there , may be max.50qr enough
3.bring certificate you got from police to embassy and make a request. its normal charges and time
4.bring the copy of police certificate and new passport to main immigration garaffa . it is easy for you dear