The number of Nakshatras according to Vedic astrology is twenty eight. Each Nakshatra is important in its own way. Any Nakshatra can be auspicious or inauspicious for different people. A Nakshatra which is inauspicious for one person can be auspicious for another person at a different point of time. Any Nakshatra can be auspicious or inauspicious during different times. In the same way, Nakshatras have been divided as auspicious and inauspicious according to Muhurat.

Every person is born in a specific Nakshatra. The Nakshatra in which a person is born is called Janam Nakshatra. In the same way, all other Nakshatras have also been divided into different categories. Nakshatras have been divided into many categories. One such category is Adhanadi Nakshatras. The Nakshatras coming in the category of Adhanadi Nakshatras are Janam Nakshatra, Karma Nakshatra, Adhan Nakshatra, Vainashik Nakshatra, Samudayik Nakshatra, Sanghatik Nakshatra and Manas Nakshatra. All these are calculated on the basis of a person’s Janam Nakshatra.

Janma Nakshatra

Every person is born in a specific time and in a specific Nakshatra. The Nakshatra in which a person is born is called his Janam Nakshatra. This Nakshatra is related to the Moon at the time of birth. Hence, the sign in which the Moon is present during the birth is known as Janamkaalin Chandrama. If Janam Nakshatra during the time of birth is in a weak state and is in transit, a person has the fear of death and has to face a lot of difficulties in life. 

Karma Nakshatra

The tenth Nakshatra from the Janam Nakshatra is known as the Karma Nakshatra. If a person’s Karam Nakshatra is weak during transit, he has to incur losses in business. He has to face difficulties in the professional sector. 

Adhan Nakshatra

Adhan Nakshatra is the nineteenth Nakshatra from the Janam Nakshatra. If Adhan Nakshatra is weak during transit, a person does not have a stable place to reside. He has to frequently change his places of stay. 

Vainashik Nakshatra

There is a difference of opinion among scholars regarding the counting of this Nakshatra. Some scholars count this Nakshtra along with Abhijeet Nakshatra and some without it. Hence, this Nakshatra can be either twenty second or twenty third from Janam Nakshatra. If Malefic planets are passing through this Nakshatra during transit, a person can suffer from health problems. Such a person also faces revolts from his friends and family.

Samudayik Nakshatra 

Samudayik Nakshatra is the eighteenth Nakshatra from the Janam Nakshatra. If this Nakshatra is weak during transit, the person faces a lot of arguments in life.

Sanghatik Nakshatra

This is the sixteenth Nakshatra from the Janam Nakshatra. If Malefic planets are passing through this Nakshatra during transit, the person substantial loss.

Manas Sangyak Nakshatra

Manas Sangyak Nakshatra is the twenty fifth Nakshatra from the Janam Nakshatra. If this Nakshatra is weak during transit, the person can have some kind of mental stress or grief. 

Detection of Weak Nakshatras

Every Nakshatra is considered to be weak in some specific conditions. These conditions are as follows :

The Nakshatra in which Saturn or Sun transit.

The Nakshatra intruded by Mars or in which a strong Mars transits.

The Nakshatra affected by an eclipse.

The Nakshatra which collides with Ulka during transit.

The Nakshatra which is intruded by Moon during transit.

The Nakshatra which is naturally different.

The Nakshatra in which Ketu transits.

Besides the above mentioned conditions, a Nakshatra is weak even if it is affected by Chandishayudh, Ekargal or Lattadosh.