Who is responsible for the flight of migrants?

The government imposed a lockdown to deal with the COVID-19 pandemic. But this had a really bad impact on migrant labourers, who left for their homes on foot in the absence of any transportation. This is one of the largest migrations in the country's history. Senior journalist Nilanjan Mukhopadhyay looks at the history of migration in India and their significance.

First published in Newsclick.