The correct answer is: b) Tashiding Monastery.
Bumchu, a Buddhist festival involving sacred water, is celebrated at Tashiding Monastery in West Sikkim, India. The festival is held every year in the month of December. The festival marks the occasion of the birth of Guru Padmasambhava, also known as Guru Rinpoche, who is considered to be the founder of Tibetan Buddhism.
During the festival, a sacred water pot is opened and the water is distributed to the devotees. The water is believed to have healing powers and is said to bring good luck. The festival is also a time for people to pray for good health and prosperity.
The other options are incorrect because:
- Rumtek Monastery is a Buddhist monastery in Sikkim, India. It is the seat of the Karmapa, the head of the Karma Kagyu lineage of Tibetan Buddhism.
- Pemayangtse Monastery is a Buddhist monastery in West Sikkim, India. It is one of the oldest and most important monasteries in Sikkim.
- Dubdi Monastery is a Buddhist monastery in West Sikkim, India. It is located on a hilltop overlooking the town of Pelling.