When you do not have any Partners, A SINGLE person can form a Private Limited Company with One Nominee
OPC is also treated as a Private Limited Company and Eligible for Startup Registration apply as well
The concept of One Person Company (OPC) is introduced with Companies Act, 2013. Any one person who is an Indian citizen and resident in India is eligible to incorporate One Person Company. This form of company formation is perfect replacement for sole proprietorship model of businesses and eligible to apply for StartupIndia Recognition, Bank credit facilities and more preferences than a informal business of sole proprietorship.
OPC is fit for a small business running independently. Appointment of One Nominee is must ( Indian Resident age not less than 18 years). an OPC Can have more than one directors, but the shareholder limited to one person only.