OPC is best suited for single entrepreneurs who want full control over their business and limited liability protection. It has fewer compliance requirements than Pvt Ltd, and only one person is needed to form it. For OPC registration online in India, you will need to obtain a DSC and DIN, choose a unique name, prepare MOA and AOA, file incorporation documents with the ROC, get a Certificate of Incorporation, obtain PAN and TAN, open a bank account, and register for GST if applicable