Login to the GST portal for accessing tax-related services including filing returns, registration, and managing GST compliance. Enter your 15 digit GSTIN/UIN number and check the details of the registered business, such as name, address, nature, status, and more. Learn what is GST , how to use the GST number search tool, and how to verify GSTIN/UIN number online . GST Search Number tool is a facility that Masters India’s GST verification search provides you for free of cost. We provide GSTIN search within a single click. You can perform your GST Search by GST number and do GSTIN Verification through the Masters India GST finder tool. Access the user dashboard to verify GST registration details and explore services provided under Goods and Services Tax ( GST ).