Congress' Adhir Ranjan Chowdhury alleged that before every election, PM Narendra Modi and West Bengal CM Mamata Banerjee play a game against each other to mislead common people. “Sometimes they use NRC...sometimes SIR,” he added. Chowdhury said PM and Banerjee’s political exchanges had no connection with real issues facing Bengal. "Bengal is considered backward state in India today," he added.