- Hinduism is the largest religion in India and has the highest proportion among the given options.
- It is the third-largest religion in the world, with over a billion followers, and the majority of them reside in India.
- Hinduism is an ancient religion that originated in the Indian subcontinent and has been practiced for thousands of years.
- It encompasses a wide range of beliefs, traditions, and practices, making it a diverse and complex religion.


- Sikhism originated in the 15th century in Punjab, a region that is now divided between India and Pakistan.
- While Sikhism is an important religion in India, it has a significantly smaller proportion compared to Hinduism.
- Sikhs make up around 2% of India's population, with the majority residing in the state of Punjab.


- Jainism is an ancient religion that originated in India around the same time as Buddhism.
- Jains believe in non-violence and practice strict vegetarianism.
- Jainism has a relatively small proportion compared to Hinduism in India, with less than 1% of the population identifying as Jains.


- Buddhism also originated in ancient India and spread to various parts of Asia.
- However, the proportion of Buddhists in India is relatively small compared to Hinduism.
- After the decline of Buddhism in India, it became a minority religion, mainly concentrated in certain regions like Sikkim, Ladakh, and some parts of Northeast India.


- Hinduism has the highest proportion among the given options in India, making it the dominant religion in the country.
- It has a rich cultural and historical significance, deeply ingrained in the Indian society and traditions.