 During Sai Baba 's life , the Hindu saint <unk> of <unk> declared Sai Baba to be a " spiritual diamond . " Another saint , <unk> , also called him a " jewel . " Sri <unk> Maharaj greatly revered Sai Baba , and in 1873 , when he met him he bestowed the title Jagad guru upon him . Sai Baba was also greatly respected by <unk> Saraswati ( known as <unk> Swami ) . He was also revered by a group of <unk> yogis , to which he belonged , known as the Nath @-@ Panchayat . 
