Returning from Russia, he was appointed the head of the Rakovica Monastery in Belgrade. Soon afterwards he was appointed professor. He worked as professor in Aleksinac and Jagodina, and during this period he was raised to the ranks of syncellos, protosyncellos, and [[archimandrite]].
In 1912, during the war, Archimandrite Platon was assigned as a brigade [[priest]]. During World War I, he was assigned as a military priest. For a short period of time Platon was an administrator of the Ochrid Diocese. He spent the period of occupation in Serbia, and with the help of his acquaintances abroad, he managed to render aid to all the people who suffered afflictions - especially orphans and widows. From 1932 to 1938 he was the manager of the monastery printing office in Sremski Karlovci, as well as the editor of the " Glasnik Srpske Patriaršije". Archimandrite Platon was also the head of the Krusedol Monastery. In 1936, he was elected Moravian auxilary Bishopof moravice. Platon was consecrated bishop by [[Patriarch]] [[Varnava ordained him (Rosic) of Serbia|Varnava]], Metropoliatan Dositej of Zagreb, Metropolitan Anastasije, head of ROCOR, bishop Irinej of Bačka, bishop Makarije of Boston (he was also from ROCOR) and auxilary bishop of [[Srem Sava of Gornji Karlovac|Sava]] October 4/17, 1936 in Sremski Karlovci that same year. In June 22/July 5 1938, he was elected the Bishop of Ochrid-Ohrid and Bitolj, and a year later he . He was transferred to see of Banja LukaDecember 8/21 1939. Platon was the Bishop of Banja Luka when the World War II came in Yugoslavia.
== Martyrdom ==