has established Anti-Opium Clinic on Kampong Java Road in May 1933 with the motivation of the Singapore Anti-Opium Society. 1942-1955: Japanese Occupation and post war During the Japanese Occupation (1942–1945), opium smoking was encouraged by the Japanese and a subject of politicised tool to ensure the Chinese population remained servile and did not collectively resist the occupation. After the Japanese Occupation, in October 1945, the British Military Administrative announced the banning of opium in Malaya. The population addicted to opium were approximately 16,000 in 1946, and even more before the war. Before the war, the addicts got their supplies from the government monopoly; however, following the execution of the ban, the individuals could only obtain opium for medical purposes or through illicit markets. Opium trafficking continued from 1947 to 1958 with the syndicates having agents as crew members on ships to transport opium. Traffickers continued and succeed were mainly due to The inability of the Customs Department as the sole enforcement authority, with its limited resources, to meet the challenge of both illicit import and domestic consumption; The preoccupation of senior customs officers with problems of reconstruction after the war; Corruption amongst subordinate staff. Opium dens also operated illegally with 1,571 opium saloons recorded in 1949. The Singapore police force had carried out a total number of 14,556 raids on opium dens from 1952 to 1955, with 2,209 raids in 1952 (July-Dec), 4,831 in 1953, 3,796 in 1954, and 3,720 in 1955. During the raids, they arrested both the addicts and owners, seized opium pipes, opium lamps, raw and processed opium. Opium addicts caught in raids were charged in court and sent to prison. In 1954, a bill amending the Dangerous Drugs Ordinance was raised in the Legislative Council to provide for the establishment of an opium treatment centre. The Narcotics Bureau also known as the Central Narcotics Intelligence Bureau was a newly formed department within the Custom department to assist campaign against trafficking. It has an extensive networks with twenty-six countries to exchange information with. The establishment of the Narcotics Bureau had led to the seizures of opium. In 1954 and 1955, twelve leading traffickers were either banished or imprisoned, while others fled the country. 1955-present The Opium Treatment Centre raised by the Legislative Council for the treatment and rehabilitation of addicts was located on St. John's Island and started its operations in February 1955; the medical officer in