Third House In Vedic Astrology - Bhava III

The Third House is ruled by Gemini and the planet Mercury.

In palmistry 3H is represented by the area between forefingers and thumb

Other Names for III House: Bhatru, Vikram, Shaurya or Sahaj Bhava,
The third house is also called the Parakrama house. This house is also known as Apiklim, Upchaya (Upachayasthana is derived from the Sanskrit word उपचय which means increase) and Trishdaya house (evil houses - do not produce good results. However, they give good financial results. Malefics here give competitive spirit to fight against adverse circumstances and obtain gains even from enemies. The will to fight is generated in 3rd house, the enemies are found in the 6th house and the result of their struggle / competition is found in 11th house. 
The grading of Trishadya houses in negative sense are 3rd > 6th > 11th house), CadentHouse