In Vedic Astrology, there are sixteen vargas or amsa or divisional charts, namely:
1. Rasi or D-1 represents: the body and all general matters of the native. This covers the 12 houses in the birth chart.
2. Hora or D-2 represents: Relates to the balance of Male / Female, Active / Passive, Individual / Social, Mental / Emotional balances.
3. Drekana or D-3 represents: Brothers, sisters, friends and alliances, like the 3rd house in the Rasi chart. Also our capacity to work hard, or in a group, to achieve some goal. Energy, curiosity, courage, prowess.
4. Chaturthamsa or D-4 represents: General well being, emotions, home and happiness, emotional contentment, psychological happiness.
5. Saptamsa or D-7 represents: Children and grandchildren, or the creative projections, creative capacity, and to what degree that shall endure or remain or be realized.
6. Navamsa or D-9 represents: Partnerships, the Spouses, and general fine tunings of the Rashi Chart. This is the most used, most important of the Varga Charts.
7. Dasamsa or D-10 represents: status, skill, vocation and career. The 10th lord should be strong here for good impact in life in terms of career.
8. Dvadasamsa or D-12 represents: Fate, destiny, past karma, parents, hereditary traits, past life influences. Used to judge last life, our underlying conditioning brought forward to this life.
9. Shodasamsa or D-16 represents: Shows a deeper level than the 4-Chaturtamsa in terms of the inner heart & psychology of the person.
10. Vimsamsa or D-20 represents: The religions of our past, the deities we are inclined to worship.
11. Chaturvimsamsa or D-24 represents: Spiritual capabilities or readiness, education, ability to meditate on higher things. Used for judging spiritual attainment capacity.
12. Saptavimsamsa or D-27 represents: A finer, deeper level of general judgement since these division are 3rds of Navamsas, or 12ths of Nakshatras. Used for fine tuning of general judgement.
13. Trimsamsa or D-30 represents: This chart deals with misfortunes, injuries, enmity, diseases. For discovering the hidden dangers in life. Lords of, and planets in bad houses should be judged herein to understand how they may do their work in life.
14. Khavedamsa or D-40 represents: Fine tuning of special auspicious and inauspicious effects, good and bad habits, particulars of the emotional and psychological natures, relates to the 4th house also.
15. Akshavedamsa or D-45 represents: Morals and ethics, and fine tuning general inidications. Also relates to 9th and 5th houses. Indicates which of the 3 main deities one will most reflect.
16. Shastamsa or D-60 represents: Used in very fine tuning of predictions and judgement, it’s subtle impact is felt in the cases of twins born just minutes apart. The special deities ruling these divisions have important sway on the individual.