Tripti is delivering valuable services to her patients

Tripti is delivering valuable services to her patients, she is the biggest cardeologist of our town.
Identify the type of economic activity highlighted in the given case and state its characteristics also.

It is an example of profession which is an economic activity.
The characteristics of profession as an economic activity are
(i) Professionals render a specialized service based upon advanced specialized knowledge and skill.
(ii) It involves a confidential relationship between a practitioner and a client.
(iii) It is bound by a distinctive ethical code.
(iv) Professionals earn income by charging professional fees.