As you want here I am giving below web address of Union Public Service Commission (UPSC) official website on your demand :

Web address
upsc.gov.in/

Avail section there
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Article-315. Public Service Commissions for the Union and for the States.
Article-316. Appointment and term of office of members.
Article-317. Removal and suspension of a member of a Public Service Commission.
Article-318. Power to make regulations as to conditions of service of members and staff of the Commission.
Article-319. Prohibition as to the holding of offices by members of Commission on ceasing to be such members.
Article-320. Functions of Public Service Commissions.
Article-321. Power to extend functions of Public Service Commissions.
Article-322. Expenses of Public Service Commissions.
Article-323. Reports of Public Service Commissions.
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