i am doing some research on biogas , how could i get support from experts?

about biogas rearch and seeking for support

I am presuming you're Indian ? There is, as you know, an awful lot of work on biogas generation from Indian institutions and researchers.

There was a listserver at REPP.org for discussions on DIGESTION - which seems to be a good search term for biogas systems, but it seems to have disappeared, leaving only the archives.

There is a still a cookstove listserver going, which often touches on biogas topics, and with many good Indian researchers contributing

This too, seems a useful resource
http://www.adelaide.edu.au/biogas/history/
http://www.adelaide.edu.au/biogas/history/
Burf5 years ago
Send them a grammatically correct, cogent letter explaining who you are, what you are seeking and why you are asking for their support. Keep it as short as possible but informative and be sure to include your relevant contact information.
I found them again
http://lists.bioenergylists.org/mailman/listinfo/digestion_lists.bioenergylists.org

Also
http://www.adelaide.edu.au/biogas/