One kind of Naipuṇika (expert);
an expert in science of prāṇa-tattva (fundamental element of vital energy)- the flows of the vital energy like iḍā, piṃgalā etc..
kāyikaṃ- śārīrikam, iḍāpiṃgalādi prāṇatattvaṃ......tajjño nipuṇaprāyo bhavati.(Sthā 9.28 Vṛ Pa 428)
- Naipuṇika.