I would assume this is a reassortment betweeen circulating (pandemic) H1N1 and (seasonal) H3N2 strains, not any swine or avian viruses, but it is not clear. It could just as easily be an H1N2 swine virus as was detected recently in the USA.
The balance of the article is behind a paywall, so I can't tell for sure.
http://www.nature.com/nindia/2012/121015/full/nindia.2012.154.html
Mixed flu strain in Mizo man
Researchers from the National Institute of Cholera and Enteric Diseases (NICED) in Kolkata have spotted a classical case of 'sporadic reassortment' — mixing of genetic material from swine and human origin viruses — in an influenza A viral strain with H1N2 subtype. The study supports the possibility of 'reassortment events' during influenza season when infectivity is high and two different subtypes of the virus circulate together in the same geographical location.
The balance of the article is behind a paywall, so I can't tell for sure.
http://www.nature.com/nindia/2012/121015/full/nindia.2012.154.html
Mixed flu strain in Mizo man
Researchers from the National Institute of Cholera and Enteric Diseases (NICED) in Kolkata have spotted a classical case of 'sporadic reassortment' — mixing of genetic material from swine and human origin viruses — in an influenza A viral strain with H1N2 subtype. The study supports the possibility of 'reassortment events' during influenza season when infectivity is high and two different subtypes of the virus circulate together in the same geographical location.