The correct answer is C. Sitamarhi Muslims.
Vaishali, Pawapuri, and Singheshwar Sthan are all Hindu pilgrimage sites. Sitamarhi, on the other hand, is a Muslim pilgrimage site.
Vaishali is an ancient city in India that is considered to be one of the most important sites in Jainism. It is believed to be the birthplace of Mahavira, the 24th Tirthankara of Jainism. Pawapuri is another important Jain pilgrimage site. It is the place where Mahavira attained moksha, or liberation from the cycle of rebirth. Singheshwar Sthan is a Hindu temple dedicated to Lord Shiva. It is located in the town of Singheshwar in the Indian state of Bihar.
Sitamarhi is a town in the Indian state of Bihar. It is a popular pilgrimage site for Muslims. The town is home to the Sitamarhi Mosque, which is believed to be the birthplace of Sita, the wife of Rama in the Hindu epic Ramayana.