Kolkata, June 25 -- West Bengal chief minister Mamata Banerjee on Tuesday alleged that 300-400 Bengali-speaking migrant labourers from the eastern state were branded as illegal Bangladeshi immigrants and confined in a building in the Bharatiya Janata Party-ruled Rajasthan despite showing valid documents. "We have received information that 300-400 people from Itahar (in Cooch Behar district) have been rounded up and forcibly held inside a house in Rajasthan. They were tagged as Bangladeshis because they speak Bengali although they showed their Indian identity documents," Banerjee told reporters in her legislative assembly chamber. She also alleged that bona fide Indian citizens from West Bengal were being selectively arrested in BJP-ruled st...