[{"_id":"5fb94fda487b9348c4291450","name":[{"NewConfirmed":642686,"TotalConfirmed":49315431,"NewDeaths":9555,"TotalDeaths":1242785,"NewRecovered":288131,"TotalRecovered":32473892},{"NewConfirmed":116262,"TotalConfirmed":6014461,"NewDeaths":4640,"TotalDeaths":371913,"NewRecovered":77575,"TotalRecovered":2492884}]}]

db.collection.aggregate([{/**Your find object*/"$match":{"_id":"5fb94fda487b9348c4291450"}},{"$project":{"NewConfirmed":{"$first":"$name.NewConfirmed"}}}])