Vedic astrology (Aagam Shaastra / Jyotisha- futurity sciences) has three main branches:

• Siddhanta (Astronomy): Astronomy & its application to astrology
• Samhita (Mundane astrology): Covers Mundane astrology, predicting important events related to countries such as war, earth quakes, political events, astro - meteorology, financial positions, electional astrology; house & construction related matters (Vaastu Shaastra), animals, portents & omens etc.
• Hora (Predictive astrology)

This branch has the following different styles / sub branches:-

• Jaatak Shaastra / Hora Shaastra (Natal Astrology / horoscopy): Prediction based on individual horoscope.
• Muhurt or Muhurtha (Electional astrology): Selection of beneficial time to initiate an activity to get maximum fruition from the life activities.
• Swar Shaastra (Phonetical astrology): Predictions based on name & sounds.
• Prashna (Horary astrology): Predictions based on time when a question is asked by querent / querist.
• Ankjyotisha / Kabala (Numerology): A branch of astrology based on numbers.
• Nadi Astrology: An ancient treatise having detailed predictions for individuals.
• Tajik Shaastra / Varsha Phal (Annual Horoscopy): Astrology based on annual solar returns.
• Jaimini Sutras: A non-conventional method of timing of events based on Famous Indian astrologer, Acharya Jaimini.
• Nastjaatakam (Lost Horoscopy): Art of tracing / construction of lost horoscopes.
• Streejaatak (female astrology): A special branch of astrology dealing with female nativities.

Other related branches:-

• Graha Samudriki (Astro- Palmistry): Palm reading as horoscope.
• Hasta Rekha / Samudrika Shaastra (Palmistry): Based on palm reading.
• Padatal Shaastra (Plantarology): Based on reading of lines & signs on the sole.
• Shakun Shaastra (Omens): Predictions based on omens & portents.
• Swapna Vidhya : Interpretation of dreams.
• Kapal Vidya (Phrenology)
• Aakriti Vidya (Physiognomy): Based on structure & moles on the body.
• Kerala Jyotisha: Predictions based on querrist reply regarding name of flower or colour or touching part of body.
• Remedial Astrology: Various modes of propitiation of planets based on planetary positions in nativity, transits, elections & for religious functions.

In Vedic literature guidance is given on two other branches viz, Electional astrology and Remedial astrology.