Procedure to settle dues with the bank

 I have legal query . I m a Permanent Resident of Australia since 2014. I had credit card which I used before coming to Australia around Rs35,000. I received several mails from the bank to make the payment but couldn't pay it. I heard from my brother that the summon was sent to me in the year 2015 n also a warrant was issued. Don't know how far it is true. Now my brother is threatening me that he will inform the bank about my present address in Australia and send warrant and get me deported back to India. He is also telling that i have created credit card giving his photo in my name. On wrong personification he will file a criminal case from india and get me arrested. Will he be able to do it? Do India n Australia have such legal ties? My question here is can i make the settlement with the bank without any legal proceedings?