As is in Shri Sai Satcharita, by Hemadpant .. Chapter XLIII & XLIV Page 226

Om Sai Shri Sai Jaya Jaya Sai

In that incarnation He (Lord Krishna) lightened the burden of the earth.  This incarnation (Sai Baba) was for the uplift of His devotees.  Then where is the reason for doubt?  The ways of the saints are really inscrutable.  

Bow to Shri Sai - Peace be to all