Setting the dice rolling for the West Bengal election, Prime Minister Narendra Modi and Chief Minister Mamata Banerjee held simultaneous rallies in West Bengal today. The BJP sharpened its campaign for the high-octane election with a mega rally at Brigade Parade Grounds in Kolkata. Prime Minister Narendra Modi accused Ms Banerjee of backstabbing the people of the state. 570 km away in north Bengal, Ms Banerjee held a roadshow in protest against the hike in price of cooking gas, petrol and diesel.