[{"_id":{"$oid":"5a934e000102030405000000"},"created_by_id":122,"updated_by_id":123,"farm_area":[{"area_id":1,"area_name":"Area 1","area_acerage":4,"zone_latest_id":1,"zone_name":"test zone","zone_acerage":2,"area_zone":[{"zone_acerage":0.3}],"device_info":[{"device_id":232,"device_type":"sensor"}]},{"area_id":2,"area_name":"Area 2","area_acerage":4,"area_structure_type":"polyhouse"}]}]

db.collection.update({"_id":ObjectId("5a934e000102030405000000")},{"$set":{"farm_area.$[elem].area_zone":[{"zone_acerage":0.3,"zone_name":"Test Zone"}],"farm_area.$[elem].device_info":[{"device_id":232,"device_type":"sensor"}]}},{"arrayFilters":[{"elem.area_id":2}]})