Photojournalist Bikas Rauniar captures the elaborate pandals and artistic displays that define the festival in India's Kolkata and Guwahati regions. KOLKATA – For Bengalis, Durga Puja is far more than a religious festival. It is a celebration that takes over entire cities. Streets come alive with elaborate pandals, intricate installations and works of art, turning Kolkata into a vast open-air exhibition.