BSF head constable Abdul Rasheed and three others arrested for allegedly supplying sensitive documents to Pakistan's intelligence agency ISI, were today remanded to police custody till December 10 by a Delhi court.<br/>Besides Rasheed, the Crime Branch of Delhi Police produced Munawwar Ahmad Mir, a former army personnel, Mohammad Sabar, a teacher by profession and Farid Ahmad who is serving as constable in 17 Jammu and Kashmir Light Infantry division of the army, before the court.<br/><br/>The police told Chief Metropolitan Magistrate Sanjay Khanagwal that sustained custodial interrogation of the four accused was required to unearth the entire conspiracy and the module through which they were supplying sensitive documents and information to the ISI operatives.