With a view to ensure enough safety to those participating in clinical trials, the government has made “audio-video” recording mandatory.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/audio-video-recording-must-clinical-trials
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/asian-age-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/audiovisuals
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/aids
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/leprosy
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/drug-industry
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/medical-systems