We are the silent majority, we keep quiet over long periods. But when our existence is threatened, we come together, put down our thoughts jointly and hope for the best. A stab in the back, which is the worst form of betrayal, had to be answered in this secret diary. How can Mamata Banerjee, who we thought was our friend, ban bicycles from the main streets of Calcutta? Tomorrow, she may ban sandesh and hilsa from the city.