New Delhi, Feb. 19 -- West Bengal Chief Minister Mamata Banerjee on Thursday expressed strong displeasure over Prime Minister Narendra Modi referring to 19th-century mystic Sri Ramakrishna Paramahamsa as "Swami" in a message marking his birth anniversary, calling the usage "culturally insensitive" and "improper."In a post on her WhatsApp channel, Banerjee wrote, "Shocked again! Yet again, our Prime Minister aggressively displays his cultural insensitivity to great figures of Bengal."She added that while attempting to pay tribute on the janmatithi (birth anniversary) of the saint-whom devotees revere as "Yugavatara" or an incarnation of God for the modern age-the Prime Minister had used "an unprecedented and improper prefix" before his name....