I suppose the Dwarka Temple.
Aksharadham is not the biggest hindu temple because the followers of their deity are not hindus. The biggest hindu temple is probably the Brihadeeshwara Temple in Thanjavvur, Tamilnadu.
They worship in Hindu temples. The biggest Hindu temple is in India, named the Brihadeshwara temple. If you want to know more about Hinduism, go to Google and search it.
The dwarka temple i think
India
MIZORAM
Yes lakshadweep is part of India, where most of the population is Hindu. Though there are many tribes on the small island you can find some Temple.
The biggest temple in the world is Angkor Wat in Cambodia, spanning 162 hectares and originally built as a Hindu temple. Visiting it was unforgettable, with its vast courtyards and intricate carvings. In India, the largest is the Sri Ranganathaswamy Temple in Srirangam, Tamil Nadu, covering 156 acres. I once attended a late-night aarti there, surrounded by incense and chanting. Both temples offer a mesmerizing glimpse into history and spirituality.
From what I know one of the biggest differences in that in a Hindu temple there will be statues of gods that will be worshiped and in a Buddhist temple there will be statues of Buddha who will be revered but not worshiped since he is not a god.
The Ellora Temples in Aurangabad in Maharashtra, India
Yes they are most sacred and uppermost cast or creed in Hindu system of cast and work as priest of Hindu temple as they are only permited to touch and maintain Hindu diety statues in temple.
The Sun Temple in Orissa worships the Hindu god, the Sun God. It is in Orissa, India.
Jagganath Puri Temple India