Onam festival: Mamata Banerjee greets Malayalees

West Bengal Chief Minister Mamata Banerjee on Monday greeted the Malayalees on the occasion of Onam festival. "On the auspicious occasion of Onam, I extend my heartiest greetings to my Malayalee brothers and sisters all over the world," Banerjee tweeted. Onam, an annual harvest festival celebrated by the Keralites, falls in the Malayalam month of Chingam (August–September).