Know all about Polygraph and Narco analysis Test - In Depth | Drishti IAS English

Drishti IAS brings to you a new programme - In Depth. This programme will be covering the important news of the day from UPSC exam point of view. In particular, the aim will be to cover the basic information related to such topics for a better foundational knowledge. In today's segment, we will discuss the concept of Polygraph and Narco analysis What is Polygraph and Narco analysis test? How does it work? Origin Legal Provisions Cases where it has been used Is it really reliable? Question =̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵ 𝐃𝐨𝐰𝐧𝐥𝐨𝐚𝐝 𝐃𝐫𝐢𝐬𝐡𝐭𝐢 𝐋𝐞𝐚𝐫𝐧𝐢𝐧𝐠 𝐀𝐩𝐩 𝐧𝐨𝐰 : https://play.google.com/store/apps/de... =̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵ 𝐓𝐨 𝐛𝐮𝐲 𝐈𝐀𝐒 𝐏𝐫𝐞𝐥𝐢𝐦𝐬 𝐏𝐞𝐧𝐝𝐫𝐢𝐯𝐞 𝐂𝐨𝐮𝐫𝐬𝐞𝐬 𝐚𝐧𝐝 𝐇𝐢𝐧𝐝𝐢 𝐋𝐢𝐭𝐞𝐫𝐚𝐭𝐮𝐫𝐞 𝐂𝐥𝐢𝐜𝐤 𝐨𝐧 𝐭𝐡𝐞 𝐠𝐢𝐯𝐞𝐧 𝐥𝐢𝐧𝐤𝐬: 👉 For 𝐟𝐞𝐞 & 𝐨𝐭𝐡𝐞𝐫 𝐝𝐞𝐭𝐚𝐢𝐥𝐬 of IAS Prelims Pendrive/Online Courses: https://www.drishtiias.com/online-course 👉 𝐀𝐝𝐦𝐢𝐬𝐬𝐢𝐨𝐧 Page Link for 𝐇𝐢𝐧𝐝𝐢 𝐋𝐢𝐭𝐞𝐫𝐚𝐭𝐮𝐫𝐞- http://bit.ly/3cAFH6L 👉 Online IAS GS (Prelims + Mains) Foundation Course 𝐃𝐞𝐦𝐨 𝐜𝐥𝐚𝐬𝐬 playlist- https://bit.ly/3xkUsDM 👉 To 𝐛𝐮𝐲 𝐭𝐡𝐢𝐬 𝐜𝐨𝐮𝐫𝐬𝐞 call us: 9319290700/9319290701/9319290702 👉 Mail us: [email protected] =̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵ 𝐅𝐨𝐫 𝐕𝐢𝐝𝐞𝐨 𝐮𝐩𝐝𝐚𝐭𝐞𝐬 𝐟𝐨𝐥𝐥𝐨𝐰 𝐮𝐬 𝐚𝐭 ------- 👉 Facebook:   / drishtieng   👉 Twitter:   / drishtiiaseng   👉 Instagram:   / drishtiiase.  . 👉 Telegram Channel: Link 1: https://t.me/drishtiiasenglish Link 2: https://t.me/dailycadrishtiias 👉 WhatsApp number: 9205885200 =̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵ 👉 𝐋𝐢𝐧𝐤𝐬 𝐨𝐟 𝐘𝐨𝐮𝐓𝐮𝐛𝐞 𝐏𝐥𝐚𝐲𝐥𝐢𝐬𝐭𝐬- 1. Latest Update: https://bit.ly/3ihWbFT 2. To The Point: https://bit.ly/3jeVXhP 3. Today's GK: https://bit.ly/3igEupX 4. Simplified: https://bit.ly/37cnefx 5. MindMaps for UPSC: https://bit.ly/3fmYky6 6. Important Government Schemes: https://bit.ly/3jcwLZq =̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵=̵ 👉 𝐑𝐞𝐚𝐝 𝐌𝐨𝐫𝐞 𝐨𝐧 𝐨𝐮𝐫 𝐰𝐞𝐛𝐬𝐢𝐭𝐞 - 👉 Daily News & Editorial: https://bit.ly/3BZb4EK 👉Daily Current Affairs MCQs: https://bit.ly/3xlZfVH 👉Weekly Revision MCQs: https://bit.ly/3iiwoND 👉Previous Year Paper: https://bit.ly/3igYTv6 #NarcoTest #Polygraph #UPSC2023