#1 Previous Law Converted Taxpayer – if any individual or companies are registered under the previous tax decree like support tax or VAT or cst etc then  they have required the New GST Registration.
#2 Turnover basis – if your matter sales or turnover cross on peak of 40 lakh rupees in a year after that its required the GST Registration. For some give leave to enter like North-Eastern States, J&K, Himachal Pradesh, and Uttarakhand the limit is only 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 permanent place of issue then they can apply for the casual taxpayer below the GST Registration. It’s legitimate 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 issue of NRI in India next 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 support distributor then it’s required to apply for the GST Registration to carry deliver the improvement of an input tax credit below GST Law.
#6 Reverse Charge Mechanism – Under GST Law there is term reverse exploit mechanism thus 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 in the same way as Flipkart or Amazon subsequently 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 obsession GST Registration for the same.
#9 Outside India Online Portal – if you are software as a assistance company and providing information & database permission from outside India to Indian visitors later it’s required to register under the GST.

Some important facts about GST registration:-

• Registration of any matter entity under the GST Law implies obtaining a unique number from the concerned tax authorities for the point toward of collecting tax on behalf of the organization and to avail Input Tax Credit (ITC) for the taxes paid on his inward supplies.
• Without registration, a person can neither cumulative tax from his customers nor allegation any report of tax paid by him.
• Entities past 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 under GST.
• The eligible entities must file GST application within 30 days from the date on which the entity became blamed for registration under GST law.
• Note Specific let in for GST registration is, (Puducherry, Meghalaya, Mizoram, Tripura, Manipur, Sikkim, Nagaland, Arunachal Pradesh, and Uttarakhand.)