To close a Sole Proprietorship in India, follow these steps:
Settle All Liabilities: Ensure that all outstanding debts and liabilities are settled.
Cancel Licenses: Cancel any business licenses and permits obtained for the Sole Proprietorship.
Close Bank Accounts: Close the current bank account associated with the business.
Notify Authorities: Inform relevant government authorities, such as the GST department, about the closure.
File Final Tax Returns: File final income tax returns and pay any outstanding taxes.
Documentation: Keep records of all closure documents and final settlements for future reference.
https://www.registerkaro.in/sole-proprietorship-registration