About Level 18 — Cabinet Secretary
The Cabinet Secretary chairs the Committee of Secretaries, coordinates between all Union ministries, oversees the bureaucracy and acts as the principal adviser to the Prime Minister on civil service matters. There is exactly one Cabinet Secretary at any time, traditionally drawn from the IAS.
Common posts at Level 18
- Cabinet Secretary
Promotion ladder
Level 18 is the apex civilian post — there is no further promotion. Tenure is normally two years, extendable by the ACC.