An illuminated Legislative Assembly building in Kolkata on Tuesday. (Express photo by Partha Paul) With a change of guard in the state, key government buildings, including the Legislative Assembly and the Writers’ Building have been illuminated with saffron lights. Under the previous Mamata Banerjee-led Trinamool Congress (TMC) government, the Assembly building was lit up in green or blue and white. After the BJP registered a landslide victory in the recently concluded Assembly elections, the focus has also shifted back to the 240-year-old Writers’ Building, which used to be the administrative headquarters under the 34-year Left Front regime, before the Mamata government shifted the state secretariat to Nabanna in Howrah in 2011. Ahead of the swearing-in ceremony of Chief Minister Suvendu Adhikari, the BJP had announced plans to make the Writers’ Building as the administrative headquarters.…