Singer Sonu Nigam was called up by Chhota Shakeel who is India's most wanted man Dawood Ibrahim's gang member, filmmaker RGV's upcoming underworld based flick ‘Satya 2' too irked Chhota Shakeel for challenging him through flicks controversial caption which reads, “Dawood Ibrahim has retired, Chota Rajan has become inactive, Abu Salem is in jail.... Coming to reinvent the underworld.”