Hygiene and sanitation will be the focus of the next round of sample survey across the country that will begin on July 1.

K.P. Unnikrishnan, Deputy Director-General, National Sample Survey Organisation (NSSO), South zone, said here on Monday that source and availability of drinking water and housing conditions too would be included in the survey. In the south of Karnataka, including Bangalore district, 76 villages and 116 urban blocks have been chosen for the survey.