Visit the official website of HPSC: hpsc.gov.in

Click on the “Apply Online” link for Treasury Officer / Assistant Treasury Officer posts.

Register using a valid email ID and mobile number.

Fill in the online application form with accurate personal, educational, and other details.

Upload scanned copies of required documents (photo, signature, certificates).

Pay the application fee online as per your category.

Review the application and submit it.

Take a printout of the submitted form for future reference.