The Hasanamba Temple in Karnataka, India, opens its doors only once a year during Diwali. This mysterious temple is believed to house a deity whose presence is evidenced by the miraculously preserved offerings left for a year. This annual opening during Diwali makes it a significant cultural and religious event for locals and tourists alike.The Hasanamba Temple in Karnataka, India, opens its doors only once a year during Diwali. This mysterious temple is believed to house a deity whose presence is evidenced by the miraculously preserved offerings left for a year. This annual opening during Diwali makes it a significant cultural and religious event for locals and tourists alike.