According to the Constitution, a member of a Public Service Commission would be guilty of misbehavior if he or she
Gets some benefit from a contract made on behalf of the government
Article 317. Removal and suspension of a member of a Public Service Commission.-
Section (4) If the Chairman or any other member of a Public Service Commission is or becomes in any way concerned or interested in any contract or agreement made by or on behalf of the Government of India or the Government of a State or participates in any way in the profit thereof or in any benefit or emolument arising therefrom otherwise than as a member and in common with the other members of an incorporated company.