The NIA has arrested 30-year-old Udaipur resident Mohammad Mohsin, the fifth man to be taken into custody for the beheading of tailor Kanhaiya Lal Sahu in the Rajasthan city on June 28.The NIA has arrested 30-year-old Udaipur resident Mohammad Mohsin, the fifth man to be taken into custody for the beheading of tailor Kanhaiya Lal Sahu in the Rajasthan city on June 28.