Look for a DP that offers free Demat account services. You can check with banks, financial institutions, or online brokers.Go to the DP's website or visit their branch office to start the account opening process.You'll need to provide personal details, bank account information, and other required information.You'll need to submit copies of your PAN card, Aadhaar card, address proof, and passport-size photographs along with the application form.Your documents will be verified by the DP or its representatives.Once your account is verified and approved, it will be activated, and you'll receive your Demat account number.