Will India’s ‘Cockroach’ movement force Modi’s BJP to rethink its politics?

New Delhi, India – On the night of August 4, in a counting hall in the eastern Indian city of Patna, some 1,000km (620 miles) from the national capital, Prime Minister Narendra Modi’s Bharatiya Janata Party (BJP) suffered one of its most stunning political setbacks in 12 years.

Bankipur, a constituency in the legislature of the state of Bihar, had been held by the BJP for three ...