In November 2019, according to the government, as many as 28 had died either in such detention centres or in hospitals, where they were referred. Replying to a written question in the Rajya Sabha, Union Minister of State (MoS) for Home Nityanand Rai said, “As informed by the government of Assam, as on 22 November 2019, 988 foreigners were lodged in six detention centres in Assam.”

A similar answer was given by Union Minister of State (MoS) G Kishan Reddy in Lok Sabha on 2 July 2019. He had apprised the House that six dentention centres have been designated in Assam “to hold declared foreigners”. He had also mentioned that 335 people have been kept in these detention centres for more than three years.

In September 2019, the Maharashtra home ministry had reportedly written to the Navi Mumbai planning authority, asking for a three-acre plot in Nerul to build the state's first detention centre.

West Bengal Correctional Services Minister Ujjal Biswas told PTI in November 2019, that state government has already finalised a piece of land in New Town area to set up two detention centres, to house foreign nationals arrested on various criminal charges.

In Karnataka in July 2019, Union Minister of State for Home Affairs Nityanand Rai – in a written response to a query by Bengaluru Central MP PC Mohan – said that the Karnataka government has informed the Centre that they are in the process of establishing a detention centre soon.