As NIA is unsatisfied with the answers of SP Salwinder, they might hold a polygraph test of SP Salwinder to know the truth. Zee News is the highly popular Hindi .
Gurdaspur SP Salwinder Singh arrived at the National Investigation Agency (NIA) headquarters for questioning in connection with the Pathankot airbase terror .
The NIA has summoned Gurdaspur SP Salwinder Singh for questioning on 11th January for questioning. Sources reveal that Gurdaspur SP may be put through .
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