A fast-track court (FTC) has sentenced a man to life imprisonment till natural death for raping a 25-year-old disabled woman in Chhattisgarh's Rajnandgaon district. Additional district and sessions judge (FTC) Rajnandgaon Abhishek Sharma on Wednesday found Bisan Lal Salame (56) guilty of rape and sentenced him to life imprisonment till natural death and imposed a fine of Rs 10,000 on him.