[{nir:33,sN:1234,sR:"local"},{nir:33,sN:4545,sR:"local"},{nir:81,sN:2362,sR:"mobile"}]

db.collection.find({/** input your query here*/nir:33,sN:1234},{isLocal:{"$cond":{"if":{$ne:[{"$indexOfCP":["$sR","local"]},-1]},"then":true,"else":false}},isMobile:{"$cond":{"if":{$ne:[{"$indexOfCP":["$sR","mobile"]},-1]},"then":true,"else":false}}})