What is the Science behind Narco and Polygraph tests? | Know for UPSC

Relevance of Science behind Narco and Polygraph tests for UPSC   What is the Science behind Narco and Polygraph tests?: For UPSC CSE, it covers issues relating to development and management of Social Sector/Services relating to Health, Education, Human Resources. Also Read: Narcotics Control Bureau (NCB)- Background, Mandate, Powers and Key Functions   What is … Continue reading What is the Science behind Narco and Polygraph tests? | Know for UPSC