Razorpay's GST number search tool helps you search GSTIN online and verify the authenticity of GSTIN taxpayers. FREE Online Tool. One-Click Verification. Search your GSTIN/UIN of the Taxpayer number all over India ,Just type your GST number below and check name and address of the GSTIN/UIN holder. Your session is expired or you don't have permission to access the requested page. Click here to Login. Clarifications regarding applicability of GST on certain services – reg. Regularizing payment of GST on co-insurance premium apportioned by the lead insurer to the co-insurer and on ceding /re-insurance commission deducted from the reinsurance premium paid by the insurer to the reinsurer – reg.