India sent a strong message to Canada during the G20 summit in New Delhi where as per the External Affairs Ministry, Prime Minister Narendra Modi conveyed "strong concerns" about continuing anti-India activities of extremist elements in Canada - referring to pro-Khalistani marches, sloganeering and the vandalism of temples across the country. On Left, Right and Centre, we ask - why is Canada giving free rein to Khalistanis? And how detrimental is it to Canada-India ties?