#1 Previous Law Converted Taxpayer – if any individual or companies are registered under the previous tax work like encourage tax or VAT or cst etc then  they have required the New GST Registration.
#2 Turnover basis – if your situation sales or turnover cross exceeding 40 lakh rupees in a year subsequently its required the GST Registration. For some welcome like North-Eastern States, J&K, Himachal Pradesh, and Uttarakhand the limit is abandoned 10 lakh rupees in a year.
#3 Event or Exhibition – In the GST Act its called the casual taxpayer. If they don’t have any unshakable place of business then they can apply for the casual taxpayer under the GST Registration. It’s genuine for a maximum of 90 days (3 months).
#4 Non-Resident Indian (NRI) – if you are a non-resident person of India or handling the concern of NRI in India after that it’s required to apply for the GST Registration Online.
#5 The agent of Suppliers or Input tax Distributor – if you are an input tax minister to distributor subsequently it’s required to apply for the GST Registration to carry speak to the benefit of an input tax credit under GST Law.
#6 Reverse Charge Mechanism – Under GST Law there is term reverse charge mechanism so if you fall under that category subsequently its required the GST registration.
#7 E-commerce Sellers – if you are an E-commerce Sellers of the leading aggregator portal behind Flipkart or Amazon then yes you obsession the GST Registration.
#8 E-Commerce Aggregator Portal – if you are thinking to start your own E-commerce concern then for ECommerce Business Registration you habit GST Registration for the same.
#9 Outside India Online Portal – if you are software as a bolster company and providing information & database permission from outside India to Indian visitors later it’s required to register under the GST.

Some important facts roughly GST registration:-

• Registration of any thing entity below the GST Law implies obtaining a unique number from the concerned tax authorities for the try of collecting tax upon behalf of the running and to avail Input Tax Credit (ITC) for the taxes paid on his inward supplies.
• Without registration, a person can neither combine tax from his customers nor claim any relation of tax paid by him.
• Entities with turnover exceeds of Rs.40 lakhs (supply of goods in normal state), Rs.20 lakhs (supply of goods/services in usual state), Rs.20 lakhs (supply of goods in specific state) or Rs. 10 Lakhs (Supply of goods/services specific state) and above would be required to register below GST.
• The eligible entities must file GST application within 30 days from the date on which the entity became liable for registration under GST law.
• Note Specific permit for GST registration is, (Puducherry, Meghalaya, Mizoram, Tripura, Manipur, Sikkim, Nagaland, Arunachal Pradesh, and Uttarakhand.)