Vodafone Essar has today announced a special tariff bonus card for the occasion of the upcoming grand festival of Durga Puja for its prepaid customers in Kolkata. Priced at Rs 99 this bonus card is valid for a period of 15 days and offers 30,000 seconds of talk time to all local Vodafone to Vodafone numbers. This special card can be availed by minute pulse subscribers as well. The Bonus Card Rs 99 will be available at all Vodafone Stores, Ministores and retail outlets across Kolkata.