E-ticketing on the Indian Railway Catering and Tourism Corporation (IRCTC) website involves the use of a Digital Signature Certificate (DSC) for secure authentication of online transactions.

To obtain an e-ticketing DSC, you need to follow these steps:

1. Choose a Certifying Authority (CA) – The first step is to select a Certifying Authority that is authorized by the Controller of Certifying Authorities (CCA).

2. Get your documents ready – You will need to provide some documents such as identity proof, address proof, and other relevant documents to the CA.

3. Submit the application form – You can download the application form from the CA’s website or visit their office to collect it. Fill in the required details in the form and submit it along with the required documents.

4. Pay the fee – You will need to pay the fee for obtaining the e-ticketing DSC. The fee may vary depending on the type of certificate and the CA.

5. Verify your identity – Once your application is processed, the CA will verify your identity and documents. This may involve a personal visit to their office or an online verification process.

6. Receive your DSC – After the verification process is completed, the CA will issue your e-ticketing DSC, which can be downloaded from their website or delivered to you in a USB token.

To use your e-ticketing DSC on the IRCTC website, you need to follow these steps:

1. Log in to the IRCTC website using your user ID and password.

2. Select the option for e-ticketing.

3. Select the train, route, and date of travel.

4. Enter your personal and travel details.

5. Select the option for payment using a Digital Signature Certificate.

6. Enter the details of your e-ticketing DSC, such as the serial number, validity period, and other relevant information.

7. Verify the details and confirm the payment.

Once the payment is confirmed, your e-ticket will be generated and sent to your registered email ID and mobile number