The Department of Environment is formulating a safe standard for the amount of ammonia that can be discharged into waterways, Science, Technology and Environment Minister Datuk Law Hieng Ding
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/regulation-ammonia-level-soon
[2] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment