By Sheikh Saaliq and Shonal Ganguly

Krishna Biswas is scared. Unable to prove his Indian citizenship, he is at risk of being sent to a detention center, far away from his modest hut built of bamboo wood that looks down on fields lush with corn.

Biswas says he was born in India’s northeastern Assam state. So was his father, almost 65 years ago. But the government says that to prove he is an Indian, he should furnish documents that date back to 1971.

For the 37-year-old vegetable seller, that means searching for a decades-old property deed or a birth certificate with an ancestor’s name on it.

Biswas has none, and he is not alone. There are nearly 2 million people like him — over 5% of Assam’s population — staring at a future where they could be stripped of their citizenship if they are unable to prove they are Indian.

Questions over who is an Indian have long lingered over Assam, which many believe is overrun with immigrants from neighboring Bangladesh.

At a time when India is about to overtake China as the most populous country, these concerns are expected to heighten as Prime Minister Narendra Modi’s government seeks to use illegal immigration and fears of demographic shift for electoral gains in a nation where nationalist sentiments run deep.

The ruling Bharatiya Janata Party has promised to roll out a similar citizenship verification program nationwide even though the process in Assam has been put on hold after a federal audit found it flawed and full of errors.

Nonetheless, hundreds of suspected immigrants with voting rights in Assam have been arrested and sent to detention centers the government calls “transit camps.” Fearing arrest, thousands have fled to other Indian states. Some have died of suicide…

This story was originally published in independent.co.uk. Read the full story here