About 65 lakh traders across the country would be able to file their tax returns for local and inter-state transactions through a one-page challan using their cel l- phones once the proposed Goods and Services Tax (GST) comes into force a few years from now.The one-page return would apply for GST at state and central levels as well as tax on inter-state trade. These three elements of GST would replace a host of existing taxes such as excise duty, customs duty and service tax at the central level and VAT and Central Sales Tax (CST) at the state level for which traders have to file different returns now.

Source : http://www.financialexpress.com/news/under-gst-tax-filing-for-traders-made-easy-with-onepage-return/1196953