 They have brought to light the cases of the bonded labourers, children in prison and violence committed against women undertrials.The PUCL has worked on the issue of the hundreds of people detained by India and Pakistan's governments and accused of espionage after trivial crimes like minor trespassing, a problem linked to the tension caused by the Kashmir conflict.Binayak Sen, who is the National Vice-President of the Union and General Secretary of its Chhattisgarh unit, was arrested in May 2007 by security agencies for his alleged links with Maoists.