We can use Messenger for this. Can set the messenger as the reply path. And inside message it hold the handler it should give back the reply.
final Messenger messenger = new Messenger(handler);
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msg.replyTo = messenger; // set the handler of the reply activity.
msg.setData(mBundle); // if any additional data available put to a bundle
destinationClass.mHandler.sendMessage(msg);
// in destination class
Messenger msger = msg.replyTo; // get the message sender's details.
Message msg2 = Message.obtain();
msger.send(msg2); // send the reply message again to the sender