Indian composer A R Rahman has scored a double triumph at the Grammy Awards in Los Angeles, scooping two early honours for his music from Oscar-winning film "Slumdog Millionaire". <br/><br/>Rahman won the first Grammy of the pre-show at the Staples Center in the best compilation soundtrack for a motion picture category before his "Jai Ho" won in the best motion picture song category moments later.<br/><br/>"This is insane, god is great again," Rahman said as he accepted his second award before a VIP audience.<br/><br/> Rahman's rivals in the soundtrack category included Steve Jordan for "Cadillac Records," Quentin Tarantino for "Inglourious Basterds", and the producers of "Twilight" and "True Blood."<br/><br/>In the best song category Rahman's beaten rivals included Bruce Springsteen for his song "The Wrestler", from the Oscar-nominated movie of the same name.<br/><br/>The Grammy success comes after Rahman earned two Oscars for his music in "Slumdog Millionaire" at last year's Academy Awards.<br/><br/>The talented music maestro picked up the best original score statuette before scooping the best song Oscar.