Vodafone Prepaid SIM — Wrong money deduction

My mobile no. [protected] was debited with 45 rs for glamour pack which was auto activated.as soon as i came to know i called customer care at 11-45pm same day for deactivation and refund of amount.the executive assured me for refund in 24 hrs now on 3rd day when i called for refund again they are denying for refund.this is froud with customer.i want refund of my 45 rs.