To fill an online admission form first visit the official website of the college or university. Register using your email ID and phone number, then log in to the portal. Carefully fill in your personal details, academic information, and upload the required documents like photo, signature, and certificates in the correct format and size. Pay the application fee online if needed, and double-check all details before final submission After submitting the form, download or save the confirmation and keep checking the portal  or your email for further updates.