The article challenges claims of 20 million illegal Bangladeshi migrants in India by analyzing Census data from 1991 to 2011.It argues that there's no significant increase in undocumented migration from Bangladesh during this period.

The piece explores how undocumented migrants might evade census enumeration through three methods: avoiding the census entirely, misreporting their birthplace as India instead of Bangladesh, or truthfully stating their origin.

Union Minister Kiren Rijiju's assertion about 20 million illegal migrants is questioned, emphasizing the need for accurate statistical data to address migration concerns.The analysis highlights the importance of reliable census records in understanding demographic trends and policy-making.