[{"_id":"5eb301bc0218ff48b724a486","date":"2020-07-02T00:00:00.000Z","shift_wise":[{"_id":"5eb3037d3cb4d74b749fc22b","shift_name":"Shift A","operator_name":"5eb2ec3420fbc132eb648a6d"},{"_id":"5eb3037d3cb4d74b749fc22c","shift_name":"Shift B","operator_name":"5eb2ec3420fbc132eb648a6d"},{"_id":"5eb3037d3cb4d74b749fc22d","shift_name":"Shift C","operator_name":"5eb2ec3420fbc132eb648a6d"}],"createdAt":"2020-05-06T18:28:12.379Z","updatedAt":"2020-05-06T18:35:41.484Z","__v":4}]

db.collection.aggregate([{$unwind:"$shift_wise"},{$match:{date:"2020-07-02T00:00:00.000Z","shift_wise.shift_name":"Shift A"}},{$project:{_id:0,operatorName:"$shift_wise.operator_name"}}])