You can learn astrology on your own, starting with the basics of zodiac signs, planets, and houses through online resources like free courses, YouTube videos, or books. Once you've mastered the basics, practice reading horoscopes using free astrology software to apply your knowledge. It's best to join astrology classes, online groups, or communities created by astrologers.

Parashara astrology is a fundamental principle written by Maharishi Parashara. It primarily focuses on planetary influences, planetary houses, important yogas, hora shastra, and more.

There is no set definition; many astrologers are renowned for their correct predictions. Some of the most famous names include Pandit Umesh Chandra Pant, K. N. Rao, and Dr. Hemant Barua. Besides that, it is depending on your personal needs and your faith in astrology, the "best" astrologer for you may be different.

Lal Kitab is a treatise on astrology. The name of its original author is unknown and controversial till date. But Pandit Roop Chand Joshi, a resident of Jalandhar, composed this book in five volumes between 1952 and 1990. This book is based on “Samudraik” and “Contemporary Astrology”.

Nadi Astrology, originating in Tamil Nadu, is an ancient Indian astrological system that predicts a person's past, present, and future based on the time, place, and thumbprint of birth. In Nadi Astrology, a person's thumbprint is used to find their "Nadi Patra," which contains detailed information about their life.

This astrology was heard by Nandi, an ally of Lord Shiva, and sages preserved it by writing it on palm leaves, which contain information about each person's life. Astrologers use the person's thumbprint and the first and last letters of their name to match the correct palm leaf and provide information about the person's past, present, and future.