According to Jainis, at which place Abhinandannath attained Nirvana?

Answer: Option A

According to Jainis, at Sammed Shikhar Abhinandannath attained Nirvana. Shikharji (Sikharji), Giridih district, Jharkhand, India, is located on Parasnath hill, the highest mountain in the state of Jharkhand. It is the most important Jain Tirtha (pilgrimage site) for the Jains, believed to be the place where twenty of the twenty-four Jain tirthankaras along with many other monks attained Moksha, according to Nirvana Kanda and other texts.