For proper planning and formulation of any programme meant for bringing further improvement in this sector and its effective implementation and monitoring their impact, data are required at every possible administrative and geographic level. The Livestock Census conducted quinquennially is the main source of such data in the country. The livestock census in the country started in the year 1919-1920. Since then it has been conducted once in every 5 years. So far 19 Livestock Censuses had been conducted and the last census was held in the year 2012. The 20th Livestock Census-2017 is scheduled to be conducted fr`om16th July 2017 and will end on 15th October, 2017. This census will be conducted for breed- wise number of animals and poultry (fowls) with their age composition for various species across the country. 20th Livestock App is a mobile/tablet based application for collection of Livestock data from each households under Rural / Urban.