Dear Anand, follow these steps pkease:

• Go to www.allindiabarexamination.com
• Go to 'Register here'
• Fill in the Registration, upload the required documents like Advocate Card if issued by State Council, Enrollment Certificate, Scanned Photo and Signature, Category and Disability Certificates if applicable. 
• Review all the information that you have entered and click on 'Save' on the last page. 
• A registration number is sent to your Registered Email id and Mobile no#.
• Enter your Enrollment no# with State Code as per your Enrollment Certificate.
•  Once you submit the information, check your Email fir Registration Id and Password.
• Login to the website using your Registration Id and Password
• You will see 'Print the Challan' button and click on it.
• Take a print out of the details and after 24 hours of registration walk into any SBI Branch and make a payment using the Challan form. Only SBI payments are allowed. 
• Keep the sealed and signed copy of the challan with you. 
• After 24 hours of making the payment, login to the website again and enter your Challan details and click on 'Submit'.
• Go back to the application form and take a print out for your reference.
• And you are done. Now you have to wait for them to send you the Permanent Enrollment Certificate.