Complex sentence: He suffered as many as 18 fractures while doing a stunt for around 20 days in 2009; he came back to work in a wheelchair, shooting for Rajinikanth, Enthiran, (and also Robot in Hindi).
Split into simpler sentences: He suffered as many as 18 fractures while doing a stunt for around 20 days in 2009. He came back to work in a wheelchair, for Rajinikanth's "Enthiran" (and also "Robot" in Hindi).