Home poker games are not legal in Indiana. The Indiana Code defines ‘Unlawful Gambling’ as anyone who engages in gambling, where ‘gambling’ is defined as risking anything of value on a lot, chance or operation of a gambling device. There is an exemption for skill games, but Indiana does not see poker as a game of skill.
[Reference: http://www.in.gov/legislative/ic/code/title35/ar45/ch5.html]