Vodafone Essar has introduced a new Bonus Card for its customers in Kolkata. The card costs Rs. 39 and offers all prepaid Vodafone customers to make local calls at 35 paise per minute. This pack is applicable for calls made from Vodafone to Vodafone numbers and Vodafone to other local numbers, STD call rates will remain same as the base pack. The validity of the pack is for 30 days and is available at all Vodafone stores, Mini Stores and retail outlets across the city.