Map(data -> "sumi rastogi", rel -> 2, privacy -> 0, status -> 1,name->"govind singh")

Map(rel -> 2, privacy -> 0, status -> 1,name->"govind singh")

val mx = Map("data" -> "sumi", "rel" -> 2, "privacy" -> 0)

val m = mx("privacy") match {
    case 0 => mx - "data"
    case _ => mx
}

=> m: scala.collection.immutable.Map[String,Any] = Map(rel -> 2, privacy -> 0)

if (m.contains("privacy") && m.getOrElse("privacy", 1) == 0) {
    m -= "play"
}

if (m.contains("privacy") && m.getOrElse("privacy", 1) == 0) {
    val newM = m - "play"
}

val a = Map(
  "data"    -> "sumi",
  "rel"     -> "2",
  "privacy" -> "0",
  "status"  -> "1",
  "name"    -> "govind singh"
)

val b = a.filterKeys(_ != "data")