Ajay Bhushan Pandey, the head of Aadhaar-issuing authority UIDAI, will be the next Revenue Secretary as Hasmukh Adhia retires on November 30. Pandey will continue to hold the additional charge of Chief Executive Officer of UIDAI and Chairman of Goods and Services Tax Network (GSTN) until further orders. A 1984 Maharashtra-cadre IAS officer, Pandey will take over from December 1.