Kolkata, Oct 11 (ANI): The Hindu festival of Navratri also known as Dussera is a period of joy and celebrations for devout Hindus across India. At Kolkata in eastern state of West Bengal where the event is of utmost significance among all including foreign tourists participated in the gala festivities on Sunday.The festival is celebrated with grand fervour in Kolkata with festivities commencing early in the day with consistent prayer sessions along with continuous supply of cultural programmes and mouth-watering delicacies. Devotees assemble at the closest make-shift tent to their home and participate in the elaborate prayer session, where priest chant hymns and perform several Hindu rituals. Several foreign tourists joined him at the function and they were seen playing traditional drums and experiencing the spirit of Navratri for the first time. Elsewhere in the culture-rich city, the state's Chief Minister, Mamata Banerjee also inaugurated a marquee, housing an idol of Goddess Durga. It is believed that during the days of Navratri, Goddess Durga descends on earth to rid it of demons and bless her devotee subjects with happiness and prosperity. During popular autumn festival of Navratri, nine forms of Devi (Divine Mother) are worshippe