This is an 18th century manuscript of the text called Kedārakalpa,
representing itself as a part of the Nandīpurāṇa. The
manuscript describes and depicts in its 61 exquisite miniature
paintings a religious pilgrimage in Himalayas, Kedarnath region, as
done by a group of yogis. It is a śaiva text, i.e. main deity is
god Śiva, and the main purpose of the text is to incite people to
go on that sacred śaiva pilgrimage.