Option c is the correct answer. According to a tradition developed in the 16th century, Adi Shankara set up four monasteries known as Mathas or Peethams, in the North, South, East and West of India, to be held by realised men who would be known as Shankaracharyas. The table below shows the details of these four monasteries: Shishya
(lineage) Direction Matha Veda Puri
Govardhanmaṭha
Piṭham Rig Veda Padmapāda East Sringeri Śārada
Piṭham Yajur Veda Hastāmalakācārya South Sureśvara West Dvāraka Sharada
Piṭham Sama Veda Toṭakācārya North Badari Jyotirmaṭha
Piṭham Atharva
Veda Therefore, the four monasteries established by Adi Shankara are situated in Joshimath, Dwarka, Puri and Sringeri.