14 September 2017
Services supplied by an Insurance Agent to any Person carrying on Insurance Business in Taxable Territory is notified as Service attracting Reverse Charge. Hence you are not required to get GST Registration. Insurance Company to whom you are providing service will pay GST on your behalf under Reverse Charge Mechanism.
14 September 2017
Please refer Point No 7 of Notification No 13/2017 - Central Tax (Rate) Dtd. 28th June 2017. However, If you still need to present counter opinion on this, please make references to sections or provisions supporting your Argument.