He was known for his hardline positions and represented the conservative wing of the Communist Party of Czechoslovakia during the Prague Spring.

His first place of work after the Second World War was the former Zlín (renamed Gottwaldov), where he first worked as the secretary of the Regional National Committee, after graduating from the Party School of the Central Committee he continued at the local regional secretariat.

Together with Vasiľ Biľak, Indra became one of the most determined opponents of the Prague Spring and was one of those who signed the "invitation letter" calling for Soviet intervention.

[2] During the period of normalization Indra's political influence grew significantly despite Gustáv Husák's efforts to marginalize the ultra conservative pro-Soviet faction of the party.

The very first statement issued by the Civic Forum on November 19, 1989, after its creation, contained a demand for the departure of some specific officials, including Alois Indra.