The Indian government has formally raised concerns with the US administration over the treatment of 104 alleged Indian immigrants who were deported on 5 February aboard a 42-hour US military flight, reported The Hindu.

At least 104 Indian citizens were deported from the United States Tuesday night on a military aircraft, according to officials from India’s Punjab state, as US President Donald Trump makes stemming migration a top priority.

Reports that deported migrants had faced mistreatment stirred an uproar in India ahead of Prime Minister Narendra Modi’s trip to Washington.

A U.S. military plane carrying 104 deported Indian migrants has arrived in a northern Indian city, the first such flight to the country as part of a crackdown ordered by the Trump administration, airport officials said.

Lawmakers and protestors were seen demonstrating outside India’s parliament following the deportation of around 100 Indian migrants back to the country from the US. Following footage released by the US Border Patrol showing migrants in shackles while boarding the plane before the 40-hour flight,

The Trump administration has begun using military aircraft to underscore its determination to deport undocumented migrants.