Modi opponent leads 'anti-Muslim' law protest in India's Kolkata Over 10,000 people take part in a march in Kolkata, capital of India’s West Bengal state, led by state premier Mamata Banerjee, a firebrand opponent of Prime Minister Narendra Modi, as protests rage on against a controversial new citizenship law and another 'citizens’ register' - both branded by critics as 'anti-Muslim'. IMAGES AND SOUNDBITES