[{"_id":ObjectId("60f0553e1cd9041c4014a2a3"),"location":{name:"philadelphia"},},{"_id":ObjectId("60fd8fb788fe0e2118ddbd7c"),"location":{name:"new jersy"},},{"_id":ObjectId("6120216fbb75d313c4d65af4"),"location":{name:"new york"},},{"_id":ObjectId("6120216fbb75d313c4d34cd3"),"location":{name:"xyz"},}]

db.collection.find({"location.name":{$ne:"philadelphia"}})