Hello, Hanna!
Since your grandfather was released in 1947 and survived, his documents are stored in this section:
ACCOUNTING CASES ON MILITARY AND FORECASTED FOREIGN CITIZENS DURING AND AFTER THE SECOND WORLD WAR IN THE CAMP OF THE NKVD-MVD USSR
Accounting cases on ex-Western army liberated prisoners of war
Fund 460p, 1919017 storage units, 1941 - 1969
Some more interesting details on prisoners of war:
Most of the prisoners were released in the early 50s. Exemption in 1947 was an exception to the rule.
1. In March 1947, the repatriation of a contingent of prisoners of war with a total of 6,680 people from among those working in enterprises of the Ministry of Ferrous Metallurgy of the Stalin, Dnepropetrovsk and Voroshilovgrad regions began.
2. In April 1947, the same contingent of repatriates added to 23,000 people from the western regions of the country who worked in the coal industry. The Council of Ministers of the USSR considered this question and adopted a resolution on it dated March 14, 1947 No. 1022-305ss. Prisoners from the Ukrainian, Estonian, Georgian Republics repatriated. Tula, Moscow and Novgorod regions. By the way, if the document contains the letters "SS", then this decree is classified as "top secret". Only those who worked very well were released.
3. Based on Resolution No. 1571-414ss of the USSR Council of Ministers dated May 16, 1947 and Order No. 00535 of the USSR Ministry of Internal Affairs No. 00535 dated May 20, 1947, sick and disabled prisoners of war of the former German army — the Germans held in camps of the USSR Ministry of Internal Affairs, special hospitals, workers battalions of the Ministry of the Armed Forces of the USSR, including officers from lieutenant to captain, sick and disabled interned Germans from working battalions of ministries. This contingent numbered 113,000 people, of whom interned - 13,000 people.
4. In the summer of 1947, the repatriation of Austrian prisoners of war remaining in the USSR (20,000 people), Romanians (36,000 people), Poles, Yugoslavs, Czechoslovakians and others, as well as participants (prisoners of war) of the anti-fascist activists continued. The last contingent numbered 1,500 people, and, as noted in Directive of the USSR Ministry of Internal Affairs No. 119 of June 13, 1947, the shipment was carried out on special personal lists.
5. In September 1944, the decision was made to repatriate sick prisoners of war, the contents of which were unprofitable for the country's budget. The USSR Council of Ministers, in response to a request from the USSR Ministry of Internal Affairs, issued Order No. 3545-1167ss, in which it wrote: "The repatriation of the said German prisoners of war to be made in October 1947 in the amount of 25,000 people and from November 1947 to March 1948 15,000 people each month ... "
6. The military command, the USSR Ministry of Internal Affairs often went to meet the requests of German citizens, in which they asked to release their relatives from captivity. In October 1947, 70 such applications were received by the Office of Repatriation Affairs. These petitions were reviewed by the 3rd European Department of the USSR Foreign Ministry and supported. V.Molotov approved this proposal. All the German prisoners of war listed on the list were repatriated.
Regards,
Igor