Establishment of dharma. (Glossary for the Vahinis)
Dharma sthapana means in this present context, the growth of the practice of Dharma.(GV, p. 58)
To make each one consciousof the tattva, (that Nara is Narayana and he shines in his tattva) is the aim of those who come for Dharmasthapana (revival of righteousness). In the Mahabharata, the most noteworthy theme is this Dharmasthapana.(SSS Vol.3, p. 92)