GST registration becomes mandatory Cases
GST registration becomes mandatory even for a single rupee transaction**: Cases Where GST Registration is Required (Even for โน1 Transaction): 1. *Interstate Supply of Goods*: If you're supplying goods from one state to another (interstate), GST registration is required *regardless of turnover* (i.e., even โน1 transaction triggers it), unless you're dealing in exempt goods or under special categories like handicrafts or services with exemption. Example: A trader in Delhi sends goods to a buyer in Mumbai โ registration is needed regardless of the amount. Note: This applies to goods, not services (services have some exemptions up to threshold limits). 2. *E-commerce Sellers*: If you're selling through platforms like Amazon, Flipkart, etc., GST registration is mandatory, regardless of turnover. 3. *Reverse Charge Mechanism (RCM)*: If you're required to pay tax under RCM, you must register even if your turnover is below the threshold. Example: Legal services, G...