NEW DELHI Saroj Khan, a top Bollywood choreographer, died of cardiac arrest in a Mumbai hospital early Friday, her family said. Leading actresses including Madhuri Dixit and Sridevi danced to some of the most popular songs Khan had produced. Khan started her acting career at the age of 3 in a Bollywood film. She never looked back and created some of Bollywoods most popular film songs. Khan was buried in a Mumbai cemetery on Friday, her nephew Manish Jagwani told reporters.