It was Jaipur, late 2007. A few months before the PMO cleared the plan to fly in tigers to Sariska from Ranthambhore, an IAS officer was holding forth on the subject at a private function.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/when-tiger-shows-us-passageways
[2] http://admin.indiaenvironmentportal.org.in/category/author/jay-mazoomdar
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/tehelka-new-delhi
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rajasthan
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tiger
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sariska-np
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ranthambore-np
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/kela-devi-sa
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tiger-reserves
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/madhya-pradesh
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/palpur-kuno-sa