Trade unionism (1962–1974) After the
Annexation of Goa on 19 December 1961, Pereira led a strike in the port harbour on 12 January 1962 and founded the first trade union in Goa in
Mormugao Port, the Marmagao Port, Dock and Transport Workers' Union, now known as the Mormugao Waterfront Workers' Union, on 20 January 1962. In 1964–1965, Pereira led another strike of the Port workers for the formation of the Mormugao Dock Labour Board. Pereira was then arrested and imprisoned in the
Bicholim sub-jail. This led to the formation of the Action Committee of Trade Unions and Mass Organisations in Goa.
Sandesh Prabhudesai describes Pereira as "an expert in history and political science".
Political career (1962–1968) Pereira was one of the founders of the Goa branch of the
Communist Party of India (CPI), and the
Communist Party of India (Marxist) (CPI(M)), He was also the General Secretary of the Goa branch of the
Centre of Indian Trade Unions (CITU) Pereira was a member of the CITU Working Committee. He was defeated by
Urminda Mascarenhas.
Other work In 1966, Pereira was chosen to visit the
Soviet Union as part of the AITUC delegation of the
Indo-Soviet Cultural Society (ISCUS). He was also a part of organisations like the Goan Arts and Culture League, Goa Mundkar and Shetkari Sabha, and the Indo-Cuban Solidarity Centre (CESIC). == Personal life ==