For Startup India registration, first register your company or LLP. Then apply for DPIIT recognition on startupindia.gov.in. Submit PAN, business details, and proof of innovation. Approval is usually granted within 2–7 days, provided documents are accurate.
A One Person Company (OPC) is owned by a single individual with full control but limited funding options. A Private Limited Company requires at least two directors and allows easier fundraising through shares. For scalability and investment, Pvt Ltd is generally more suitable.