The census work began at 12 noon on May 10 and lasted until 12 noon of May 11.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/pune-animal-census-rise-number-barking-deer-chinkara
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/indian-express-pune
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/maharashtra
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pune-d
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/deer
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/census-habitat-monitoring
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ngo
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wildlife-management
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wildlife