Kolkata: Bengal Chief Minister Mamata Banerjee on Tuesday said she will attend the swearing-in ceremony of Narendra Modi as Prime Minister on May 30. The ceremony will take place at Rashtrapati Bhavan on May 30 at 7 pm. Talking to newsmen at Nabanna, Banerjee said: "I am going to attend the swearing-in ceremony as a Constitutional courtesy." A letter of invitation to attend the ceremony has reached Nabanna, the state administrative headquarters said on Monday evening.