When Shyam started to work in the Royal Press, the year was mentioned as 1970. But the Bengali newspaper clips had the news of freedom fighters of Bangladesh returning their weapons to govt. which actually happened in 1972.
When Shyam first saw Devdasi's Performing in the open theater, another man told him that they were migrated from Bangladesh. But it was 1969 and at that time there were no region called 'Bangladesh'. The land was known as 'East Pakistan' or 'East Bengal'.
In the scene when Shyam and Rosie meet doctor, calender in doctor's table is from 1973. However, later current is shown as 1970.