New Delhi, Dec. 6 -- The Delhi high court has upheld the Centre's 2013 guidelines that bar the recruitment of persons with defective vision, including colour blindness, to the Central Armed Police Forces (CAPF) and Assam Rifles (AR), saying that the same are "not arbitrary, unreasonable or perverse". A bench of justices Subramonium Prasad and Vimal Kumar Yadav, in its verdict delivered on November 28, observed that the 2013 guidelines are intended to ensure safety, as people with abnormal vision who cannot distinguish between uniforms or identify their colleagues may be unable to effectively engage with insurgents or terrorist groups. "The object of the 2013 guidelines is easily discernible from a bare reading thereof, which indicates that ...