Mumbai (Maharashtra) [India], November 6 (ANI): Bollywood’s beloved superstar Shah Rukh Khan, who recently celebrated his 59th birthday in Mumbai, is back at work after an eventful month of festivities. The actor was spotted at a dubbing studio in Mumbai, where he was accompanied by his son, Aryan Khan, sparking excitement among fans about an upcoming, highly anticipated project. Meanwhile, it was earlier announced that the father-son duo will lend their voices for Disney’s ‘Mufasa: The Lion King’, an upcoming prequel to the classic 1994 animated film ‘The Lion King’. The film, which is set to…