Underworld gangster Rajendra Sadashiv Nikhaljee alias Chhota Rajan바카라s conviction along with his eight cronies on May 2 in journalist Jyotirmoy Dey바카라s, also known as J Dey, murder case seems to have sent a wave of euphoria in the CBI, but the agency바카라s investigators are consistently preparing for another major task -- extradite gangster Ravi Ram Rattesar and convict him in the case.