Shiva, Vishnu, and Durga are the deities that came to be worshipped through elaborate rituals. These deities hold significant roles in Hindu mythology and are revered by millions of devotees worldwide. The worship of these deities involves intricate rituals, ceremonies, and practices that are followed with great devotion.

Shiva: The God of Destruction and Transformation
- Shiva is one of the principal deities in Hinduism and is known as the god of destruction and transformation.
- He is often depicted as a meditating yogi, covered in ash, with a third eye on his forehead and a crescent moon adorning his hair.
- Shiva's worship involves elaborate rituals such as the recitation of mantras, offering of flowers, fruits, and sacred leaves, and performing aarti (waving of lamps) to invoke his blessings.
- Devotees also engage in fasting, meditation, and visiting Shiva temples, especially during the auspicious festival of Mahashivaratri.

Vishnu: The Preserver and Protector
- Vishnu is another major deity in Hinduism and is considered the preserver and protector of the universe.
- He is often depicted with blue skin, holding various weapons and riding on a mythical bird called Garuda.
- Vishnu's worship involves elaborate rituals such as the recitation of Vishnu Sahasranama (a thousand names of Vishnu), offering of flowers, fruits, and sacred water, and performing aarti to seek his blessings.
- Devotees also observe fasts, read religious scriptures, and visit Vishnu temples, especially during festivals like Diwali and Vaikuntha Ekadashi.

Durga: The Divine Mother
- Durga is a powerful goddess and is considered the divine mother and protector.
- She is depicted with multiple arms, riding a lion or tiger, and wielding weapons to combat evil forces.
- Durga's worship involves elaborate rituals such as the recitation of Durga Saptashati (a collection of hymns praising Durga), offering of flowers, fruits, and sweets, and performing aarti to seek her blessings.
- Devotees also participate in Durga Puja, a grand festival celebrated with great fervor and enthusiasm, especially in West Bengal and other parts of India.

In conclusion, Shiva, Vishnu, and Durga are deities that are worshipped through elaborate rituals in Hinduism. These rituals are followed with utmost devotion and involve various practices such as mantra recitation, offerings, aarti, fasting, and temple visits. The worship of these deities plays a significant role in the lives of millions of Hindus, fostering a deep sense of spirituality and reverence.