Cowin portal is the official portal for obtaining and managing your digital covid vaccine Certificates. In this time of the pandemic, it has become increasingly important to stay up-to-date on your Cowin Certificate information. This includes updating your registered mobile number in the certificate. If your mobile number has changed or you want to use a new one, updating the details on your Cowin Certificate is very easy.

Have you ever wanted to change your mobile number associated with Cowin Certificate? It can be a daunting task trying to figure out how, especially when all the information available seems wordy and complicated. But not to worry—we're here to help! In this post, we'll explain exactly how to change your mobile number so that you can continue accessing Cowin Certificate without any problems. Read on for more details.

Have you changed your mobile number recently and are looking for a way to update your Cowin Certificate? If yes, this article will help you with the necessary steps and procedures to update your Cowin Certificate.

Cowin Certificate

The Cowin Certificate is a digital document that serves as proof of vaccination against COVID-19 in India. It is issued by the Indian government's Cowin login platform, which is responsible for managing the country's vaccination drive. The certificate contains essential details about the individual's vaccination status, including their name, age, gender, date of vaccination, vaccine name, and the name of the administering healthcare facility.

The Cowin certificate is a valid document for travelling within the country and is also required for specific activities and services. It is recommended that individuals always keep a digital or physical copy of their Cowin certificate handy. The cowin mobile number change process is sometimes needed for the correct mobile number on your vaccination certificate.

The Cowin certificate serves as proof of vaccination against COVID-19 in India. It is an important document that verifies that an individual has received one or both doses of the COVID-19 vaccine. There are several reasons why an individual may need a Cowin vaccination certificate:

  • Travel: The Cowin certificate is required for domestic air travel in India. Some states may also require a valid Cowin certificate for inter-state travel. So, you need to download the certificate to show everywhere to prove that you are vaccinated and safe to go anywhere. If you have valid proof of your vaccination process, you don't have to take extra tension while going somewhere.
  • Work: Some workplaces may require their employees to have a cowin certificate download by mobile number before they can resume work. This is especially true for industries that involve close contact with other individuals. Offices have a lot of employees, and if the authority wants to prevent the spreading of the disease, they need to make it mandatory for the employees to produce the cowin vaccination certificate.
  • Education: Some educational institutions may require students and staff to have a Cowin certificate before attending classes or entering the premises. Currently, educational institutes are pretty crowded, so ensuring everyone is vaccinated, and COVID-19 cannot spread inside the campus is very important. So you have to know the process of vaccine certificate download by mobile number.
  • Events: Large gatherings such as concerts, sporting events, and weddings may require attendees to produce a valid Cowin vaccination certificate as a condition of entry. A lot of crowds always congest events, so it is mandatory to have proper vaccination before attending an event. Then only it will be ensured that you will affect or get affected by anyone in the crowd.
  • Government services: Some government services may require individuals to produce a valid Cowin certificate before availing them. It has become compulsory to provide a vaccination certificate before availing of any government service, and it is an excellent process to have awareness among the people.
    It is important to note that the Cowin certificate is optional for everyone. However, individuals are highly recommended to get vaccinated and obtain a Cowin certificate. It can serve as proof of vaccination and help protect them and those around them from COVID-19.

Why will you need to change your mobile number in the cowin certificate?

Updating your mobile number in the CoWIN portal is essential for a few reasons:

  • Vaccination Communication: The CoWIN login portal is used for scheduling COVID-19 vaccination appointments, and your mobile number is a primary means of communication for updates and notifications related to your vaccination appointment. By updating your mobile number, you ensure that you receive all relevant information about your vaccination schedule.
  • Contact Tracing: If you test positive for COVID-19, the authorities may need to contact you for contact tracing purposes. Updating your mobile number ensures they can reach you easily and quickly.
  • Emergency Alerts: The government may send out emergency alerts related to COVID-19 to citizens via SMS. Updating your mobile number in the CoWIN portal ensures you receive these alerts and can take necessary precautions.
  • Data Accuracy: Having accurate and up-to-date contact information in the CoWIN portal helps maintain correct data records, which is essential for effective vaccine distribution and tracking.
    It is, therefore, essential to update your mobile number in the CoWIN portal whenever you change it. This will help keep your data current and ensure you receive all important communication from the authorities.

Overall, updating your mobile number in the CoWIN portal is essential for ensuring efficient communication and accurate data records related to COVID-19 vaccination.

Your mobile number is the information required to obtain the cowin registration number in the portal. There can be several reasons why an individual may need to change their mobile number in the Cowin vaccination certificate. Some of these reasons may include the following:

  1. Cowin registered mobile number was lost.
  2. The registered mobile number has been deactivated or suspended.
  3. The individual has switched to a new mobile service provider.
  4. The individual wants to update their mobile number to a more frequently used or convenient number.
  5. The registered mobile number should have been correctly entered during the registration process.

It is important to have a valid mobile number registered in the Cowin portal, as it is used to send important information related to the vaccination schedule and updates related to the vaccine. If an individual needs to change their mobile number, they can log into their Cowin account and update their mobile number in the profile section. They will receive an OTP to verify the change on their new registered mobile number. You need to check the Cowin beneficiary id to avail of the services later.

How to Change Your Mobile Number

Here is the complete process explained in two parts - if you want to change your mobile number on the vaccine certificate, you need to know all the necessary steps to change your mobile number in Cowin as well as in Eka Care successfully.

  1. Steps to change mobile number in CoWIN:

Here are the efforts to change the mobile number in the Cowin certificate: Visit the official CoWIN website ( or open the CoWIN mobile application on your smartphone.

  • Login to your Cowin account using your registered mobile number and OTP.
  • Click on the "Account Details" option in the top right corner.
  • Select the "Edit" option located next to your registered mobile number.
  • Enter the new mobile number that you want to register.
  • Click the "Submit" button to receive an OTP on your new mobile number.
  • Enter the OTP received on your new mobile number and click the "Verify" button.
  • Your new mobile number will now be registered in the Cowin portal.

2. Steps to change mobile number on Eka Care

The following are the steps being taken in Eka Care to change the mobile number:

  • Visit Eka Care - Change Mobile Number in Vaccine Certificate.
  • Using a 14-digit number, log in to your CoWin account.
  • Enter the six-digit OTP that CoWin sent you.
  • Choose the beneficiary whose phone number you want to change.
  • Enter the target phone number where you want the beneficiary's phone number to be updated.
  • Then enter the six-digit OTP that CoWin sent to you into your target phone number.
  • The target phone number will thus be updated to the chosen beneficiary's phone number once the OTP is input successfully.

Ensuring that the new mobile number entered is correct and currently in use is essential. Also, ensure that the unique mobile number is registered with your service provider to receive the OTP for verification. This is the entire process of changing mobile numbers in cowin registration. In case of any discrepancies, you can contact the Cowin helpline number or the healthcare facility where you received the vaccine to get it rectified. You can also change the number by referring to the section "how to change registered mobile number in cowin".


Cowin certificate is essential to prove that you are vaccinated during COVID-19. So, you should download the certificate as soon as you finish the vaccination process. If you need to change your mobile number in the Cowin certificate, it can be done easily by following the above mentioned steps. Ensure the new mobile number is valid and active to receive OTP for verification. It is essential to update your mobile number in the Cowin portal to quickly receive any important communication from the authorities.


Installing a smartphone app is required to register for vaccinations, right?

No, you do not need to install any smartphone app to register for vaccinations. You can register and get your vaccine certificate from the official Cowin website. Visit to log into the Co-WIN portal. You can also use the Aarogya Setu or the Umang App and site to sign up for vaccinations.

Is registering online required to receive a COVID-19 vaccination?

Regrettably, only a certain number of spots are available daily for on-site registration at vaccination centres. Recipients can register either online or in person at vaccination centres, where the personnel will write them. For a hassle-free vaccination experience, all recipients must register online and schedule immunisation in advance.

Is a second registration required for the second dose or the precautionary dose?

No, only a single registration is needed to set up a beneficiary account on Co-WIN. After that, appointments can be made on-site or online, and the same account can also be used to obtain vaccinations. It is advised that beneficiaries register just once to ensure accurate records are kept. To prevent future issues, it is also recommended that registration be completed using a current cellphone number.

Do I need to change my mobile number in the Co-WIN certificate if I have changed it recently?

You must update your mobile number in your Co-WIN certificate if you have recently changed it. To do this, log into the Co-WIN portal and go to 'My Account'. From there, you can update your registered mobile number by selecting 'Update Mobile Number'. Enter your new mobile number and click 'Submit' to save the changes. Once the number is verified, it will automatically be updated in your Co-WIN certificate.

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