Yesvantpur Lucknow via PER used 125xx as well .
122xx is used by NR and SWR for their SFs also . Generally 122 series is used for Duronto . Regarding Swarna Jayanthi , some were saying that it had RSA with UBL DWR with additional rake as it was delayed regularly . Not sure though . SWR on many instances has nt been keen in renumbering it’s trains even if their Jurisdiction has been changed .