'Cannabis indica' is an annual plant in the Cannabaceae family. A putative species of the genus Cannabis. Indica plants are better suited for indoor growing, as they typically grow short and wide.
Smoking Indica could be compared to taking a sleeping pill. With sedative effects, it's an excellent choice for people with Insomnia or pain. Indica results in a heavy, sleepy, relaxed experience. It may increase appetite, or completely knock you out.
Sativa however, acts as a stimulant. Producing an energetic, creative and happy mood.