Ganesadi Panchadevata refers to the five principal Puranic deities in Hinduism. These deities are considered to be the most important and widely worshipped gods in the Puranic tradition. The correct answer is option 'A', which includes the following deities:

I. Ganesa
II. Vishnu
III. Siva
IV. Sakti
V. Surya

Let's explore each of these deities in detail:

I. Ganesa: Ganesa, also known as Lord Ganesh, is the elephant-headed god and is widely revered as the remover of obstacles and the god of wisdom and intellect. He is worshipped at the beginning of any auspicious ceremony or undertaking.

II. Vishnu: Vishnu is considered the preserver and protector of the universe. He is often depicted with four arms, holding a conch shell, discus, mace, and lotus. Vishnu is believed to have incarnated on Earth in various forms, known as avatars, to restore balance and righteousness.

III. Siva: Siva, also known as Lord Shiva, is one of the most powerful deities in Hinduism. He is considered the destroyer and transformer of the universe. Siva is often depicted with matted hair, a third eye on his forehead, and a crescent moon on his head. He is associated with meditation, asceticism, and the destruction of ignorance and evil.

IV. Sakti: Sakti refers to the divine feminine energy and is often associated with the goddess Devi or Durga. She represents the creative and nurturing aspects of the universe. Sakti is worshipped in various forms, such as Parvati, Lakshmi, and Saraswati.

V. Surya: Surya is the solar deity and is worshipped as the god of the sun. He is depicted with a radiant golden body and is considered the source of light, heat, and life. Surya is often worshipped for his blessings of good health, prosperity, and vitality.

The other options mentioned in the question, such as Agni and Rudra, are not part of the Ganesadi Panchadevata. Agni is the god of fire and is considered a messenger between gods and humans. Rudra is an ancient form of Lord Shiva and is associated with fierceness and destruction.

In conclusion, Ganesadi Panchadevata comprises Ganesa, Vishnu, Siva, Sakti, and Surya. These deities hold significant importance in Hinduism and are worshipped by millions of devotees around the world.