In Tantrik practice, the worship of Shakti or the Divine Mother is called a Vidya. There are ten major forms of Shakti called the Dasa Mahavidyas. Dasa means ‘10’, and Mahavidyas means ‘great knowledge’. 
 
The Todala Tantra describes these forms of the Goddess. They are Kali, Tara, Tripurasundari (or Shodasi-Sri Vidya), Bhuvaneshvari, Chinnamasta, Bhairavi, Dhumavati, Bagalamukhi, Matangi, and Kamala. These ten aspects of Shakti epitomize all of creation. They are also called Wisdom Goddesses.
 
One can worship these Devis at various levels, using the prescribed Mantra and Yantra. Devotees worship them as part of 
an astrological remedy to attain various siddhis and also for spiritual salvation.
 
Those who do Sadhana of these Vidyas successfully can gain many boons. The last chapter of Todala Tantra equates the 10 Mahavidyas with Vishnu’s ten incarnations.  

Thus, Tara is the blue form, Bagala is the tortoise form, Dhumavati is the boar, Chinnamasta is the Narasimha form, Bhuvaneshvari is Vamana, Matangi is Rama, Tripurasundari is Jamadagni, Bhairavi is Balabhadra, Mahalakshmi is Buddha, and Durga is the Kalki form. Kali is Krishna.

The worship of these Goddesses is often prescribed as an astrological remedy to mitigate the negative effects of the 9 planets and for the Lagna as follows: 

People propitiate Kali for Saturn, Tara for Jupiter, Tripurasundari for Mercury, Bhuvaneshvari for Moon, Chinnamasta for Rahu, Bhairavi for Lagna, Dhumavati for Ketu, Bagalamukhi for Mars, Matangi for Sun, and Kamala for Venus.
 
Kali

Kali sits on a corpse, laughing loudly. She has fearful fangs, and her four arms hold a cleaver, a skull, and display the mudras for bestowing boons and dispelling fear. On her neck is a garland of skulls, and her tongue lolls wildly. She is completely naked (digambara – clad in the directions). 
 
Tara

Tara sits in the Pratyalidha asana on the heart of a corpse. She laughs horribly and holds a cleaver, a blue lotus, a dagger, and a bowl. She utters the Mantra ‘Hum’, and her color is blue. Her hair is braided with serpents, the Ugratara. She can bestow supernatural powers.
 
Tripurasundari

Tripura Sundari is the form of auspicious wisdom, power, and wealth. She embodies love, compassion & prosperity. She is the loveliest in the all the three worlds and represents Goddess Parvati. Her other names are Lalitha, Rajarajeswari, Tantrik Parvati, etc. 
 
As Shodashi, she is a sixteen-year-old girl who embodies 16 kinds of desires. Her Mantra also has 16 syllables. She is also worshipped as the Shri Yantra.
 
Tripura Sundari has a red or golden complexion. She is seen in union with Shiva. They lie on a bed, a throne, or a pedestal. Brahma, Vishnu, Rudra, Ishana, and Sadashiva hold it up and form the plank.
 
She has a 3rd eye on her forehead. She wears red attire and many jewels. She sits on a lotus seat which is on a golden throne. She has four arms in which she holds five arrows of flowers, a goad, a noose, and a bow of sugarcane. The noose is a symbol of attachment, the goad represents repulsion, the sugarcane bow signifies the mind, while the arrows are the five sense objects.

Her Sadhana is done for pleasure and liberation. It provides the strength to control the body, mind, and emotions. It is also done for conjugal pleasure, a good spouse, and sexual potency.
 
Bhuvaneshwari

Her name means ‘Queen of the Universe’. She represents Maya (illusion), the power of love, and peace within. She resembles the red rays of the rising sun, and the moon is her diadem. She has three eyes and a smiling face. She bestows boons and removes fears. She holds a noose and a goad. 
 
Chinnamasta

She has her left foot forward in battle and holds her severed head and a knife in her hands. She is naked and drinks the stream of blood spurting from her headless body. She, too, has three eyes. Lotuses adorn her breasts. She sits above the god of love.  
 
Bhairavi

Bhairavi is Supreme Energy and the Goddess of speech. Her head is garlanded with flowers, and she resembles the red rays of a 1,000 rising suns. She is smeared with red and holds milk and a book. She can dispel fears and bestow boons. She has four hands, three eyes, and a beautiful face. She wears white gems.
 
Dhumavati

Dhumavati is the color of smoke (Dhuma means ‘smoke’), wears smoky clothes, and holds a winnowing basket. Her clothes are disheveled. 
She is deceitful, has slant eyes, and is terrifying.
 
Bagalamukhi

Bagala or Bagalamukhi is the eighth Mahavidya. She signifies courage and is the Shakti of cruelty. She has three eyes and wears yellow clothes, champaka blossoms, and gems. The moon is her diadem. One hand holds the enemy’s tongue, and the left hand spikes him. She has the power to paralyze.

Bagalamukhi means “crane-headed one”. She rules deceit which lies behind most speech. She is a terrible form of Matrika Devi, who is the mother of all speech. Her consort is Maharudra.

Matangi

Matangi is dusky, and her three eyes are like lotuses. She sits on a jeweled lion throne, surrounded by gods. In her four lotus-like hands are a noose, a sword, a shield, and a goad. She is the giver of results.

 Kamala

She has a smiling face, and in her beautiful hands are two lotuses. They also show the Abhaya and Varada mudras. She stands on a lotus and is bathed in nectar by four white elephants.
 
Devotees who propitiate the Dasa Mahavidyas by doing Dasa Mahavidya Pooja and Dasa Mahavidya Homam can have all their desires fulfilled.