myBDAsites.com

NIE (National Institute of Engg) CREST in Mysore (
http://www.niecrest.in) also has developed BioGas products. I understand that they are willing to offer guidance and training in setting up a BioGas plant. I was told an unit for residential use will cost around Rs 20,000 (2012)

You can find the detailed Cost Benefit Analysis etc... 4MB PDF download is here:
http://www.niecrest.in/index.php?option=com_simpledownload&task=download&fileid=aW1hZ2VzL3N0b3JpZXMvYmdwLnBkZg==

NIE (National Institute of Engg) in Mysore has developed a Biogas system - it seems we can visit NIE CREST to understand biogas system. I intend to install one next year. I was told we can get 3-4 cylinder equivalents in an year for a 4 member family.
http://www.niecrest.in/

The nice thing about biogas is you can throw in your cooked food leftovers, rotting fruit/veg etc too! (which I can't do with plain ol' composting).

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