The document summarizes the plot of the classic Uttam Kumar film "Bhranti Bilas". It describes how two sets of identical twins, Chiranjit and Chiranjeeb and Bhakti Kinkar and Shaktikinkar, are separated as children and grow up apart. As adults, all four twins end up in the same town on the same day, creating confusion through their identical appearances. Their identities are further complicated by Chiranjit being married and Chiranjeeb being single. In the end, their mother resolves the confusion and one of the twins finds a match with another set of twins.