13 March,2013 08:43 AM IST | | Agencies
Vijender, a Deputy Superintendent of Police (DSP) with the Haryana Police, is also expected to be summoned again for questioning.u00a0
Reportedly, hair tests can show if the person under scrutiny has taken drugs like heroin for 90 days prior to testing. Blood tests meanwhile can reveal whether a person regularly consumes drugs. u00a0
