The correct answer is (b), Shaiva and Shakta sect.
Shaivism and Shaktism are two of the major Hindu sects. Shaivism is the worship of Shiva, the third god of the Hindu Trimurti, while Shaktism is the worship of Shakti, the goddess of power. Both sects have a long and rich history in India, and they continue to be practiced by millions of Hindus today.
In Uttarakhand, Shaivism and Shaktism are the two most popular sects. The state is home to many important Hindu temples, including the Kedarnath Temple, the Badrinath Temple, and the Gangotri Temple. These temples are all dedicated to Shiva, and they attract pilgrims from all over India.
Shaivism and Shaktism are also popular in the Kumaon region of Uttarakhand. The Kumaon region is home to many important Hindu shrines, including the Nanda Devi Temple and the Almora Fort. These shrines are all dedicated to Shakti, and they attract pilgrims from all over India.
Shaivism and Shaktism have a deep rooted impact on the masses of Uttarakhand. The two sects have shaped the culture and religion of the state for centuries. They continue to be practiced by millions of Hindus today, and they play an important role in the lives of the people of Uttarakhand.
The other options are incorrect.
(a) Vaishnava Sect is a Hindu sect that worships Vishnu, the second god of the Hindu Trimurti. Vaishnavism is the largest Hindu sect, and it is practiced by over 80% of Hindus in India. However, Vaishnavism is not as popular in Uttarakhand as Shaivism and Shaktism.
(c) Naga Sect is a Hindu sect that is dedicated to the worship of snakes. The Nagas are a group of snake deities who are said to be the guardians of the earth. The Naga Sect is not as popular in Uttarakhand as Shaivism and Shaktism.
(d) Nath Sect is a Hindu sect that is dedicated to the worship of Shiva. The Naths are a group of yogis who are said to have attained enlightenment through the practice of yoga. The Nath Sect is not as popular in Uttarakhand as Shaivism and Shaktism.