We can consider the following things before we can start the business in India
1) Business activities
2) Investment amount
3) Number of persons to start the business
4) Place of business
Based on above things we can categorized the companies in following ways
1) Proprietorship Firm registration
2) Partnership Firm registration
3) LLP (Limited Liability Partnership) registration
4) OPC (One Person Company) registration
5) Private Limited Company registration
6) Public Limited Company ...  more