Complex sentence: He participated in Nach Baliye 3 Sanjeeda Sheikh and on December 22,2007 their pair won the Nach Baliye 3 championship against Rakhi Sawant and Abhishek Avasthi.
Split into simpler sentences: He participated in Nach Baliye 3 with Sanjeeda Sheikh and on December 22,2007. Their pair won the Nach Baliye 3 championship against Rakhi Sawant and Abhishek Avasthi.