Unable to restore Index

Hi All

After Successfull archive i am unable to restore it back

Restore CMD - curl -XPOST 'localhost:9200/_snapshot/s3backup/s3bkup_20150615/_restore'

Message - {"snapshot":{"snapshot":"s3bkup_20150615","indices":[],"shards":{"total":0,"failed":0,"successful":0}}}

Please advice ..

What version are you on?
Did you restore to the same cluster and did you delete the original indices before restoring?