Forty-eight hours before reports emerged of a fresh Chinese incursion into Arunachal Pradesh, China's Consul General in Kolkata launched a most unusual diplomatic offensive in the city, now caught up in Durga Puja celebrations. On Saturday, West Bengal Governor Keshari Nath Tripathi was late for the inauguration of a pandal the consulate is partnering. So the Consul General and his wife took matters into their own hands.