Interviewer instructions
Item 20 & 21 are meant for collecting information on bio-gas plants in the village whether there is any bio-gas plant in the village will be first ascertained and recorded in terms of codes in Item 20. If the response for Item 20 is 'yes' (code '1'), the number of plants in the village will be recorded in Item 21. All bio-gas plants, whether privately owned or not, will be considered for this item.