Adhia is a 1981 batch IAS officer of Gujarat cadre.
The vacancy was caused following the superannuation of Ashok Lavasa last month.
The Appointments Committee of the Cabinet has approved designating Adhia as the Finance Secretary, the order issued by the Department of Personnel and Training said.
As per the convention, the senior most Secretary in the Finance Ministry is designated as the Finance Secretary.
There are five departments under the Finance Ministry-- Expenditure, Economic Affairs, Financial Services, Revenue and Department of Investment and Public Asset management (DIPAM).
Subhash Chandra Garg, a 1983 batch IAS officer, is Economic Affairs Secretary.