Economy GST rate cut: Who will benefit from the tax cut on sanitary napkins? Updated : July 23, 2018 10:25 AM IST Jury is already out on whether the overall price may see a significant difference after the tax exemption. For some basic napkins (costing 20-30 rupees) the difference in cost may be negligible. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.