select only subdocuments or arrays

Question

{
    \"_id\":{
        \"oid\":\"4f33bf69873dbc73a7d21dc3\"
    },
    \"country\":\"IND\",
    \"states\":[{
            \"name\":\"orissa\",
            \"direction\"         


        

Answer 1

db.countries.find({ "states":  { "$elemMatch": { "name": orissa }}},{"country" : 1, "states.$": 1 })