Kolkata. For the past 15 years, Mamata Banerjee and her regional party Trinamool Congress (TMC) were established as a political rule in India's West Bengal state, finding ways to survive under any circumstances.This ended on Monday.With the defeat of this 'firebrand' leader against the Bharatiya Janata Party (BJP), her ambition to become Chief Minister for the fourth consecutive time has concluded. This victory would have placed her in the league of long-serving regional stalwarts like Jyoti Basu and Naveen Patnaik.From street protests to the point where the political fortress she built became weak, Banerjee's defeat has pushed one of contemporary...