New Delhi, Nov. 21 -- In a major secretary-level bureaucratic reshuffle, the Centre on Thursday changed the top leadership across key ministries, including petroleum, telecommunications, pharmaceuticals and agriculture. The realignment brings in officers with sector experience and policy depth at a time when ministries are preparing for the next financial year and dealing with important regulatory work.

The appointments committee of the Cabinet, which is headed by the prime minister, approved the changes, an order from the department of personnel and training (DoPT) said.

Neeraj Mittal, a 1992-batch Tamil Nadu cadre Indian Administrative Service (IAS) officer, has been appointed secretary in the ministry of petroleum and natural gas. Mi...