Singh, at present posted as Assistant Commandant of 75th Punjab Armed Police after being shunted out as Superintendent of Police (Headquarters) Gurdaspur, underwent the polygraph (lie detector) test for two consecutive days.
An official spokesman of the National Investigation Agency(NIA) while saying that the polygraph test was over refused to share any details as it could hamper the ongoing investigation into the terror attack.
Singh had agreed for a polygraph test after NIA informed a designated court about alleged inconsistencies in his statements before Punjab police and the NIA.

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Sources in the know of developments said that Singh would be produced before a team of scientists tomorrow. The panel will include a 'Behavioural analyst' and 'Psychoanalysts' which will give a scientific assessment of his personality.
The NIA is questioning Singh to ascertain the sequence of events that took place after he was kidnapped on the intervening night of December 31 and January 1 by terrorists of Pakistan-based Jaish-e-Mohammed (JeM).

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